Protect Your Family's Safety
Focusing on the needs of customers and do our best to make you happy.
- 18 Years in Home Security
- 60+ Engineers R&D Team
- 500+ Workers in Factory
Expandable with Additional SECRUI Receivers/Transmitters
Thanks to the simple code pairing way to expand your existing SECRUI doorbell system with up to 2 transmitters and multiple receivers for your family or office needs.
- Short Ring Tones Design
- Memory function to retain settings when receiver is unplugged or off
- 5 Adjustable Volume Levels
- Power: 100~240V
- Transmitter Button Battery: 3V CR2032
- Standby Current: <3mA (220V AC)
- Working Current: <11mA (220V AC)
- Different transmitters can be set to different tunes
3-Year Battery Life
The push button transmitter uses a CR2032 lithium battery which has an ultra-long lifespan of up to 3 years. No need to worry about frequent battery replacement.
Durable Waterproof Button
The push button has a high waterproof rating of IP55, which is higher than ordinary doorbells, to ensure the perfect usage in rainy days. Works between -4°F to 140°F, to ensure that it is suitable for different areas of different climates.
Ultra-long Transmission Distance
The wireless transmission range between the doorbell chime receiver and the doorbell push button is up to 1000 feet. With the ultra-long wireless range, this cordless doorbell can be used not only in apartments but also in villas and big houses. It can also be applied in business, office, store, classroom, etc.
Short Ring Tones Give You More Choices
The receiver has 32 pleasing ringtones to choose from, you can set a simple “Ding Dong” tune to reminder you when door opens for business. 5 levels of adjustable volume from 0-110 dB, the sound is loud and clear enough to be heard anywhere you are.
Mute Mode
The door bell has a mute mode to choose from, don't worry doorbell chime will disturb a sleeping baby. Thanks to the LED will still flash when working in mute mode, you will never miss a visitor even in mute mode.
Colorful LED Indicator
Not only the transmitter blue indicator will light up when press the button, but also the colorful LED indicator on the chime receiver flashes. This feature is also helpful for those with a severe hearing impairment. A perfect wireless doorbell for elderly.
 M520+F55 Wireless doorbell |  M520X2+F55 Wireless doorbell |  M520+F55X2 Wireless doorbell |  M520X3+F55X2 Wireless doorbell |  M508+F55X2 Wireless doorbell |  M508X2+F55 Wireless doorbell | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| 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 | Up to 1000 ft |
| Ringtones | 58 | 58 | 58 | 58 | 52 | 52 |
| Battery Included | CR2032 | CR2032 | CR2032 | CR2032 | CR2032 | CR2032 |
| Color | Black | Black | Black | Black | Black | Black |
| Push Botton | Battery Operated | Battery Operated | Battery Operated | Battery Operated | Battery Operated | Battery Operated |
| Receiver | Plug In | Plug In | Plug In | Plug In | Plug In | Plug In |
| Adjustable volume | 0-110dB | 0-110dB | 0-110dB | 0-110dB | 0-110dB | no data |
Welcome to SECRUI store.
Upgrade your home with our product!
SECRUI Mini Wireless Doorbell
SECRUI Door Chime
SECRUI Wireless Doorbell
SECRUI Mini Wireless Doorbell
Motion Sensor Alarm
Thermometer and Humidity
How did we get our start?
We are a professional manufacturer specializing in home security for more than 10 years. Own professional manufacturing facilities, R&D engineers, excellent sales team, experienced production staff, and efficient after-sales service.
What makes our product unique?
From the perspective of the use value that users care about, we aim to provide Security products together with high quality, versatility and affordability, and have been working on improving the design and quality of our products based on our buyers' feedback.
Why we love what we do?
High quality is always our pursuit. Our aim is creating good products with heart, serving customers with more patience.
SECRUI is all about making your home or business a safer and more secure environment where you and your loved ones can feel protected at all times.
Welcome to SECRUI store.
Upgrade your home with our product!
SECRUI Mini Wireless Doorbell
SECRUI Door Chime
SECRUI Wireless Doorbell
SECRUI Mini Wireless Doorbell
Motion Sensor Alarm
Thermometer and Humidity
How did we get our start?
We are a professional manufacturer specializing in home security for more than 10 years. Own professional manufacturing facilities, R&D engineers, excellent sales team, experienced production staff, and efficient after-sales service.
What makes our product unique?
From the perspective of the use value that users care about, we aim to provide Security products together with high quality, versatility and affordability, and have been working on improving the design and quality of our products based on our buyers' feedback.
Why we love what we do?
High quality is always our pursuit. Our aim is creating good products with heart, serving customers with more patience.
SECRUI is all about making your home or business a safer and more secure environment where you and your loved ones can feel protected at all times.
Expandable with Additional SECRUI Receivers/Transmitters
Protect Your Family's Safety
Focusing on the needs of customers and do our best to make you happy.
- 18 Years in Home Security
- 60+ Engineers R&D Team
- 500+ Workers in Factory
Thanks to the simple code pairing way to expand your existing SECRUI doorbell system with up to 2 transmitters and multiple receivers for your family or office needs.
- Short Ring Tones Design
- Memory function to retain settings when receiver is unplugged or off
- 5 Adjustable Volume Levels
- Power: 100~240V
- Transmitter Button Battery: 3V CR2032
- Standby Current: <3mA (220V AC)
- Working Current: <11mA (220V AC)
- Different transmitters can be set to different tunes
3-Year Battery Life
The push button transmitter uses a CR2032 lithium battery which has an ultra-long lifespan of up to 3 years. No need to worry about frequent battery replacement.
Durable Waterproof Button
The push button has a high waterproof rating of IP55, which is higher than ordinary doorbells, to ensure the perfect usage in rainy days. Works between -4°F to 140°F, to ensure that it is suitable for different areas of different climates.
Ultra-long Transmission Distance
The wireless transmission range between the doorbell chime receiver and the doorbell push button is up to 1000 feet. With the ultra-long wireless range, this cordless doorbell can be used not only in apartments but also in villas and big houses. It can also be applied in business, office, store, classroom, etc.
Short Ring Tones Give You More Choices
The receiver has 32 pleasing ringtones to choose from, you can set a simple “Ding Dong” tune to reminder you when door opens for business. 5 levels of adjustable volume from 0-110 dB, the sound is loud and clear enough to be heard anywhere you are.
Mute Mode
The door bell has a mute mode to choose from, don't worry doorbell chime will disturb a sleeping baby. Thanks to the LED will still flash when working in mute mode, you will never miss a visitor even in mute mode.
Colorful LED Indicator
Not only the transmitter blue indicator will light up when press the button, but also the colorful LED indicator on the chime receiver flashes. This feature is also helpful for those with a severe hearing impairment. A perfect wireless doorbell for elderly.
M520+F55 Wireless doorbell | M520X2+F55 Wireless doorbell | M520+F55X2 Wireless doorbell | M520X3+F55X2 Wireless doorbell | M508+F55X2 Wireless doorbell | M508X2+F55 Wireless doorbell | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| 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 | Up to 1000 ft |
| Ringtones | 58 | 58 | 58 | 58 | 52 | 52 |
| Battery Included | CR2032 | CR2032 | CR2032 | CR2032 | CR2032 | CR2032 |
| Color | Black | Black | Black | Black | Black | Black |
| Push Botton | Battery Operated | Battery Operated | Battery Operated | Battery Operated | Battery Operated | Battery Operated |
| Receiver | Plug In | Plug In | Plug In | Plug In | Plug In | Plug In |
| Adjustable volume | 0-110dB | 0-110dB | 0-110dB | 0-110dB | 0-110dB | no data |