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KERUI M525 Home Security Welcome Wireless Doorbell Smart Chimes Doorbell Alarm LED light 32 Songs with Waterproof Touch Button

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KERUI M525 Home Security Welcome Wireless Doorbell Smart Chimes
Doorbell Alarm LED light 32 Songs with Waterproof Touch Button
The wireless doorbell adopt advance wireless receiving and dispatching technology, powerful microcomputer control system, high capacity and superior voice processing technology, up to 32 songs with reliable and stable performance. Doorbell and transmitter connect via wireless learning code, with the function of doorbell, burglar alarm and welcome alarm which suitable for various occasions: like villa, club, leisure center, store, hotel, home, office and meeting room etc.

1) Support multiple doorbell transmitter, suitable for large villa
2) 32 songs optional
3) Waterproof touch doorbell button
4) Doorbell, alarm, welcome alarm all in one
5) Learn 30 accessories (Doorbell transmitter, detector, remote control), without losing number upon power failure
6) Support accessories of 1527/2262 encoding
7) 4 levels adjustable volume

Waterproof touch doorbell button

F52 doorbell button waterproof level is up to IP66,you can put it on the outdoor wall .And low power consumption, it can use about one year if press average 10 times a day.

Easy to install

Just plug the receiver into power socket and attach the transmitter on door,you don't even necessarily have to make holes or damage anything.

32 Songs Optional
32 ringtones for your option,you can select regularly,and don't feel bored.Avoid the same ring with the neighbors.

Strong signal ,150m long distance Transmission

Long operating range can be up to 500ft(150m) in open space,

great for large house including villas, apartment, offices, shops, warehouses, etc.

4 Levels Adjustable Volume

Compatible with alam sensors & detectors

One transmitter can pair with several(max 30) receivers,and one receiver can pair with several(max 30) transmitters.

Customize your doorbell according to your need.

Self power generation
No need battery, press button and Kinetic energy turn into electrical energy .
Ordinary doorbell was average changed a battery once a month ,this doorbell can generate power , press button and Kinetic energy turn into electrical energy .
You can save lots of money and batteries every year,and protect environment
1. Working Voltage: AC 100-240V
2. Working Current: < 100 mA
3. Wireless Frequency: 433 MHz
4. Working Temperature: -10-50 degree centigrade
5. Wireless Distance: 150 meters (Open area)
Frequency: 433Mhz
Operation Current:8~15mA
Quiescent Current:3uA
Operation Temp:-10C~50C;Humidity :no more than 90%
Battery:27A 12V
Transmit Distance:< 80 M
Size:74*46*12 mm
Applies widely to works, banks, stores, warehouses, offices and homestead
thanks to its kinds of protection abilities like anti-theft, fire prevention, gas leakage protection
and most importantly, emergency calls.

Shipping and delivery

We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says "no information available at the moment".

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you have specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Refunds & returns policy

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • You do not receive them within the guaranteed time (45 days not including 2-5 day processing)
  • You receive the wrong item
  • You do not want the product you have received (but you must return the item at your expense and the item must be unused)

We do not issue the refund if:

  • Your order does not arrive due to factors within your control (e.g. providing the wrong shipping address)
  • Your order does not arrive due to exceptional circumstances outside our control (e.g. not cleared by customs, delayed by a natural disaster)
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on page.

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Real customer reviews

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  1. C***v

    cam very fast good product

  2. V***y

    Delivery is very fast, the quality is good, thanks to the store.

  3. L***r

    Received very fast – in 8 days. Quality is very good, it works well. Recommended!

  4. D***v

    Works, a button with a battery included 2032.

  5. A***a

    Nice and pretty loud call

  6. E***v

    Came quickly

  7. R***v

    Fast delivery 10 days to the dnieper, picked up at the new post office, packed well, in the umbilical well box slightly fell, the product working volume is adjustable punches at a distance of 30 meters, in the coplkte battery, scotch 2 sided and 2 dowels, with screws. Living in the cis twists the button with self-tapping, with tape it is easy to tear. I did not communicate with the store.

  8. R***h

    The call is cool, loud, on the button protection from water, but did not check, the melodies are a lot, at a distance of 20 meters works without problems, the signal is punched through the stem without problems. Included battery, 2 screws, 2 dowels for a concrete wall (screws and dowels are more suitable for wood, for concrete would put more authentic). I recommend it to everyone, and for those who say that it is quiet and so on-hand. We often lose calls-installed in the ext., part of the fence, successful purchases.

  9. Customer

    Everything works, very beautiful, quickly and quickly. Thank you very much

  10. N***k

    all ok Thanks

  11. A***v

    Good call

  12. G***s

    All super, very fast shipping, 10 days. Everything works fine. Seller recommend!

  13. A***v

    I recommend the product came very quickly.

  14. D***n

    Ok super rýchle doručenie excel maximum satisfaction

  15. O***v

    It came quickly, tracked. Everything is ok.

  16. N***v

    Excellent call, thanks to the store for the goods and fast delivery

  17. A***a


  18. K***r

    OK !

  19. J***a

    Excellent product, works perfectly.

  20. L***k

    While very satisfied! Glued button, speakers included in the network, works.

  21. J***s

    VISS IR perfekti kvalitāte IR augsta iesaku visiem izmanot veikalu un 21.08 pasūtīju29. 08 saņēmu ar kurjeru, Super

  22. I***e


  23. N***a

    It works perfectly, even in rooms separated by concrete, good finishes. Fast shipping.

  24. L***y


  25. N***s

    product is good

  26. Customer

    All in time!

  27. S***i

    Works super. Range is good.

  28. R***k

    Fast delivery, good item – thank you!

  29. R***s

    All as the description, but ordered the product in black and was delivered in white, except it is all correct and funcionável.

  30. S***n

    Funny call. many melodies, i recommend the store. comes a call with a battery.

  31. Y***y

    Delivery month, packed very well, everything works.

  32. J***o

    Small, compact, stylish call. I really liked it!

  33. T***k

    Range over 50 m, indoor wall 30cm with porotermu. I am puzzled and satisfied. Recommend.

  34. M***m

    As picture, super

  35. C***g

    V. Fast

  36. V***v

    Order arrived in kiev for 8 days! Packed well, the description corresponds! Thank you store!

  37. R***v

    Good condition and delivery time, thank you!

  38. P***V

    It’s gone. Corresponds to the description. Thanks to the store.

  39. H***n

    Works great

  40. Y***v

    The product is very satisfied, i expected what came, i definitely recommend to buy. Seller thanks put 5

  41. S***r

    Thank you for your cooperation and thank you for the fast shipping and you my regards

  42. M***r

    Delivery within the stipulated period Very carefully packed Even our mail not zniszczyła Consistent with the description and pictures Seller not komunikowałam up because there was need Works well (interesting how long) For now I am very glad and recommend

  43. J***a

    Thank you

  44. M***v

    Wireless call. Battery included. Shipped the same day when the order was made. Delivery within 14 days. Quality is satisfied!

  45. S***m

    Shipping fast summer

  46. D***v


  47. M***r

    The product works very well

  48. N***a

    Good packaging, The door bell working perfectly.

  49. V***v

    Delivery in time, the call is working, you need to register the buttons and therefore need to read the instruction.

  50. G***i


  51. Customer

    thank you

  52. M***n


  53. M***v

    Works fine

  54. U***y

    I advise everyone, the product is good and corresponds to the description. Sending fast and came to odessa just hyper fast. Good good.)

  55. A***a

    The parcel came in 9 days, the store is good, so cool packed, the call is just super, the seller recommend!!!!!!

  56. M***v

    Cool thing, store respect ……

  57. G***a

    The mower was delivered to shvidko by a new poshtoyu, packed nadyno, the box is not shabby. Itself дзвінок зроблений якісно, виглядає гарно, мелодії sound доволі примітивно, наче in радянському дзвінку, але мені треба лише дзинь, тож якість мелодій not критична, Button виглядає дуже гарно, battery in комплекті, and such a double-sided adhesive tape and dowel, to whom do you like it, i cover on staples, maboot, I want the vrakhovyuchi culture of the vikhovannya of our people (zocrema of children), then to mabout the border on the dowel, more peaceful over cim pitanyam. Shared enemy is positive, i recommend to buy. All uncle, then read to kintz. Glory to ukraine!

  58. O***a

    Delivered in 8 days! The quality is excellent. Seller recommend.

  59. M***a

    Works very well walls for him not terrible. Recommend

  60. R***r

    For now the expected very well, you hear great

  61. U***d

    I’m in the friend. Duje spvidka delivery via novu poshtu. In the robot is like. i recommend

  62. A***n

    Delivery fast to the dnieper for 8 days by new mail. Quality is normal. Only much less than expected. The sound is loud but mediocre.

  63. Customer

    Delivered quickly. Very loud. In the kit batarka. Purchase is satisfied

  64. M***a

    The product is exactly like in description. Recomand it!!!

  65. W***e

    The melody is reset to the initial, if the electricity was disconnected. Touch button.

  66. H***z

    I have a doubt, how do you change the stack to the doorbell?

  67. A***v

    Excellent call all works on 5 + touch button

  68. K***a

    Colored plain weaving welded.

  69. M***a

    Wonderful call! The store is good! I tried to pack my call for glory. Quality thing. Recommend seller and product!

  70. J***a


  71. S***Y

    The call of excellent neighboring calls does not catch as some… the delivery of ceres 2 days brought

  72. D***i

    Works properly, its money is worth, melodies a lot, you can take

  73. W***.

    Works norms at 50 m. Behind the metal door, the sound is nasty, but tolerant. Sometimes there are false positives, when switching on powerful electricity consumers in the same phase. The store did not regret the battery in the button!

  74. N***v

    The order came in 2 days. Good product purchased second

  75. T***s

    Very good product, love. Well packed and all right, works perfectly and has excellent signal range, already come with battery in transmitter! Recommend store.

  76. V***i


  77. N***l

    Fast shipping. 9 days!!! New mail. works)))

  78. U***r

    I’m on time works perfect

  79. K***t


  80. A***r

    Fast shipping. Quality goods. I recommend.

  81. S***r

    In minsk 3 weeks. the product is quality. the track is tracked. i recommend it.

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