


Truly Customise Your Doorbell to Suit Your Home and Family
For example, if you have a front and back door you can link 2 buttons to 1 receiverto ensure you’re alerted to visitors at either entry point. You can even add accessories from our extensive range of home alarm products. Add a door and window sensor and SECRUI doorbell will alert you when a door or window is opened, which is great for peace of mind if you have young children in the house. Or add an external motion sensor and get an early alert as soon as someone turns up on your driveway.
M520 Series M520+F55
Wireless mini doorbell with light, mute mode and push button – White
Stylish and compact with superior sound quality, the SECRUI M520+F55 is a doorbell perfectly formed for your home and designed for your lifestyle. It comes with Mute mode so you can relax free from disturbance, while the light with 7 colours will alert you to the presence of a visitor when the doorbell can’t be heard.
Product Specifications
- Waterproof level: Transmitter waterproof level IP55
- Operating temperature: -4 °F to 140 °F
- Volume: 0dB to 120dB; 5 levels adjustable
- Receiver power supply: plug in the wall outlet
- Transmitter battery: 3V CR2032
- Product size:
- Receiver: 2.56*2.56*0.98 in
- Transmitter: 2.56*0.79*1.3 in

Long-distance signal transmission
This high-frequency electronic technology wireless remote control doorbell adopts the FM signal scheme, which has strong anti-interference features and one-to-one signal pairing. The sensing distance can reach up to 300M in an obstacle-free environment.

Energy saving technology
The receiver adopts an optimized circuit design. The transmitter is equipped with an internal high-quality battery, which does not consume power without being pressed. A new battery can be used for 3 years (if used 10 times a day).

Weather Resistance
The doorbell is made of high-quality ABS material, showing high performance in fire and flame resistance, not easy to oxidize, strong temperature resistance of both high and low temperatures (4 °F -140 °F). IP55 dustproof and waterproof protection makes it fearless of rain.

Customized sounds for every visitor
With no work on your home's wiring required, this portable wireless doorbell is easy to set up and offers multiple chime options. Choose your tune and hear the arrival of every visitor in high-quality sound, no matter where you are in your home. Connect up 20 receivers simultaneously.

Memory function
Remembers your last melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience.

LED indicator
The 7 color LED light indicator on the plug in receiver flashes when the transmitter is pressed and a signal is received. They alerts those with impaired hearing or when the doorbell sound is (temporarily) unwanted. Mute the wireless waterproof doorbell if a ringtone is not desired and get notified visually by the LED instead when someone shows up at the door.

![]() Secrui Wireless doorbell (1 Receiver with 1 Button) | ![]() Secrui Wireless doorbell (1 Receiver with 1 Button) | ![]() Secrui Wireless doorbell (2 Receivers with 1 Button) | ![]() Secrui Wireless doorbell (2 Receivers with 1 Button) | ![]() Secrui Wireless doorbell (1 Receiver with 2 Buttons) | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — | — |
| LED indicators | ? | ? | ? | ? | ? |
| Waterproof | ? | ? | ? | ? | ? |
| Expandable | ? | ? | ? | ? | ? |
| Wireless Range | Up to 1000 ft | Up to 1000 ft | Up to 1000 ft | Up to 1000 ft | Up to 1000 ft |
| Ringtones | 58 | 32 | 52 | 52 | 52 |
| Battery Included | CR2032 | CR2032 | CR2032 | CR2032 | CR2032 |
| Color | Black | Black | Black | Black | Black |
| Receiver | Plug In | Plug In | Plug In | Plug In | Plug In |

M520 Series M520+F55

Truly Customise Your Doorbell to Suit Your Home and Family
For example, if you have a front and back door you can link 2 buttons to 1 receiverto ensure you’re alerted to visitors at either entry point. You can even add accessories from our extensive range of home alarm products. Add a door and window sensor and SECRUI doorbell will alert you when a door or window is opened, which is great for peace of mind if you have young children in the house. Or add an external motion sensor and get an early alert as soon as someone turns up on your driveway.

Wireless mini doorbell with light, mute mode and push button – White
Stylish and compact with superior sound quality, the SECRUI M520+F55 is a doorbell perfectly formed for your home and designed for your lifestyle. It comes with Mute mode so you can relax free from disturbance, while the light with 7 colours will alert you to the presence of a visitor when the doorbell can’t be heard.
Product Specifications
- Waterproof level: Transmitter waterproof level IP55
- Operating temperature: -4 °F to 140 °F
- Volume: 0dB to 120dB; 5 levels adjustable
- Receiver power supply: plug in the wall outlet
- Transmitter battery: 3V CR2032
- Product size:
- Receiver: 2.56*2.56*0.98 in
- Transmitter: 2.56*0.79*1.3 in

Long-distance signal transmission
This high-frequency electronic technology wireless remote control doorbell adopts the FM signal scheme, which has strong anti-interference features and one-to-one signal pairing. The sensing distance can reach up to 300M in an obstacle-free environment.

Energy saving technology
The receiver adopts an optimized circuit design. The transmitter is equipped with an internal high-quality battery, which does not consume power without being pressed. A new battery can be used for 3 years (if used 10 times a day).

Weather Resistance
The doorbell is made of high-quality ABS material, showing high performance in fire and flame resistance, not easy to oxidize, strong temperature resistance of both high and low temperatures (4 °F -140 °F). IP55 dustproof and waterproof protection makes it fearless of rain.

Customized sounds for every visitor
With no work on your home's wiring required, this portable wireless doorbell is easy to set up and offers multiple chime options. Choose your tune and hear the arrival of every visitor in high-quality sound, no matter where you are in your home. Connect up 20 receivers simultaneously.

Memory function
Remembers your last melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience.

LED indicator
The 7 color LED light indicator on the plug in receiver flashes when the transmitter is pressed and a signal is received. They alerts those with impaired hearing or when the doorbell sound is (temporarily) unwanted. Mute the wireless waterproof doorbell if a ringtone is not desired and get notified visually by the LED instead when someone shows up at the door.

![]() Secrui Wireless doorbell (1 Receiver with 1 Button) | ![]() Secrui Wireless doorbell (1 Receiver with 1 Button) | ![]() Secrui Wireless doorbell (2 Receivers with 1 Button) | ![]() Secrui Wireless doorbell (2 Receivers with 1 Button) | ![]() Secrui Wireless doorbell (1 Receiver with 2 Buttons) | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — | — |
| LED indicators | ? | ? | ? | ? | ? |
| Waterproof | ? | ? | ? | ? | ? |
| Expandable | ? | ? | ? | ? | ? |
| Wireless Range | Up to 1000 ft | Up to 1000 ft | Up to 1000 ft | Up to 1000 ft | Up to 1000 ft |
| Ringtones | 58 | 32 | 52 | 52 | 52 |
| Battery Included | CR2032 | CR2032 | CR2032 | CR2032 | CR2032 |
| Color | Black | Black | Black | Black | Black |
| Receiver | Plug In | Plug In | Plug In | Plug In | Plug In |


















