KERUI M521 Wireless Doorbell Outdoor 57 Song 300M Range Smart Home Door Bell Chime Ring 433MHz Waterproof Button Plug and Play
$5.64 – $20.43
Ships Globally from China

- Itercom: No
- Power: Electric Supply
- Display: None
- Feature: None
- Connection Type: Wireless
- Item Type: Wireless Doorbell
- Alarm: Yes
- Brand Name: KERUI
- Origin: Mainland China
- Certification: NONE
- Smart home platform: NONE
- Ringtones: 57
- Wireless Range: Up to 390 ft / 120m (in open area)
- Working Voltage: 100~240V 50~60Hz alternating current
- Working Power: 0.5W
- Receiving Frequency: 433MHz
- Type: wireless doorbell
KERUI 57 Chime Wireless Doorbell Waterproof Wireless Door Alarm Contact Sensor Doorbell

Main Features:
1. 57 different music tones optional.
2. Memory function, never lose last set whatever power off.
3. The host can set the fixed doorbell music button.
4. Rugged Waterproof Design.
57 Different Ring Tones
The wireless doorbell has 57 melody tones and 4 levels of adjustable volume up to 110db.

Memory Function
Every time you turn on the doorbell, the music is the same melody as the last time you turned it off, no need to reset the previous settings.

IP55 Waterproof Design
The rugged construction and waterproof design allow the doorbell to withstand all kinds of harsh weather conditions.

Keep Your Children Safe
The doorbell receiver can connect the door/window sensor. Alert when your little one open the window or the door.

24/7 Lifeguard for Your Family
This business door entry chime alerts when burglar opens door and helps deter break-ins(wireless door alarms activates when magnetic sensor separates)

Monitor Every Areas You Care with Wireless Door Chime
Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors and each sensor can add unlimited receivers.



Up to 390ft/120m Transmission Range (in open area)
The long transmission range ensures you will never miss a visitor, even if you are a few rooms away or on another floor.
It is enough to cover every door and window in your house.

Different Song Use for Different Mode

Easy to Installation
Plug and Play design is convenient and quick.
s a CR2032 lithium battery that boasts 3-year maximum lifespan


Installation Steps:
1. Stick the double-sided tape on the back of the waterproof doorbell transmitter.
2. Install the F15 outdoor waterproof wireless doorbell transmitter in the place you need.
3. Plug the M521 wireless doorbell receiver into main power.

Technical Parameters:
1. Working voltage: AC 100-220V
2. Working current: <100mA
3. Wireless frequency: 433MHz
4. Working temperature: -10 ° C ~ +50 ° C
5. Wireless distance: 120 meters (open space)
6. 4 level volume: 25dB-110dB
Product Detail






Ships From |
CHINA |
---|---|
Itercom |
No |
Power |
Electric Supply |
Display |
None |
Feature |
None |
Connection Type |
Wireless |
Item Type |
Wireless Doorbell |
Alarm |
Yes |
Brand Name |
KERUI |
Origin |
Mainland China |
Certification |
NONE |
Smart home platform |
NONE |
Ringtones |
57 |
Wireless Range |
Up to 390 ft / 120m (in open area) |
Working Voltage |
100~240V 50~60Hz alternating current |
Working Power |
0.5W |
Receiving Frequency |
433MHz |
Type |
wireless doorbell |
Color |
1 button-BK ,1 button-WH ,1receiver 1button-BK ,1receiver 1button-WH ,1receiver 1sensor-WH ,1receiver 2button-BK ,1receiver 2button-WH ,2receiver 1button-BK ,2receiver 1button-WH |
Plug Type |
EU Plug ,UK Plug ,US Plug |
1 review for KERUI M521 Wireless Doorbell Outdoor 57 Song 300M Range Smart Home Door Bell Chime Ring 433MHz Waterproof Button Plug and Play
Clear filtersOnly logged in customers who have purchased this product may leave a review.
Related products

5MP PTZ IP Camera Wifi Outdoor AI Human Detection Audio 1080P Wireless Security CCTV Camera P2P RTSP 4X Digital Zoom Wifi Camera

8MP 4K 2.8mm +12mm Dual Lens 8X Hybrid Zoom PTZ IP Camera WiFi Human Detection 4MP Audio P2P Security Video Surveillance Camera

8MP 4K Wifi Camera Dual Lens Ai Auto Tracking Waterproof Security CCTV Video Surveillance Camera Police Light Alarm IP Camera

eufy Security SmartTrack Card Works with Apple Find My Wallet Tracker Phone Finder Water Resistant 3-Year Battery Life

Fuers 3MP 5MP IP Camera Tuya Smart Outdoor Home Security Auto Tracking Human Detection Camera WIFI CCTV Surveillance Camera

KERUI Tuya Smart Mini WiFi IP Camera Indoor Wireless Home Security AI Human Detect CCTV Surveillance Camera 2MP Auto Tracking

Outdoor 5MP Surveillance Camera CCTV IP Wifi Camera Waterproof External Security Protection Wireless Home Monitor Motion Trcking

Tuya New WiFi Temperature Humidity Sensor Smart Life Backlight Hygrometer Thermometer Sensor Support Alexa Google Home Assistant

Tuya Smart Home WiFi Door Sensor Alarm Window Door Open/Closed Detectors Security Protection Smart Life Voice for Alexa Google

U***r –
Interesting egg shaped design of doorbell. A lot of different melodies. Very careful packing and fast delivery to Ukraine. I am satisfied