Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your SECRUI Wireless Doorbell system. Designed for ease of use and reliability, this doorbell features a modern aesthetic, a wide operating range, adjustable volume, and multiple melody options. Please read this manual thoroughly before use to ensure optimal performance and safety.

Figure 1: SECRUI Wireless Doorbell Kit (2 Receivers + 1 Button)
The SECRUI Wireless Doorbell system includes two sleek black plug-in receivers and a single black doorbell button, offering a modern and discreet design that complements any home decor.
Package Contents
Verify that all components are present in your package:
- 1 x Transmitter (doorbell button, battery included)
- 2 x Plug-in Receiver
- 1 x Adhesive Tape
- 2 x Screw
- 2 x Anchor
- 1 x User Manual (this document)
Key Features
- Modern Design: Sleek black aesthetic blends with any interior design.
- Easy Installation: No advanced wiring or specialized tools required.
- Long Distance Range: Up to 1000-foot wireless transmission capacity.
- Adjustable Volume Levels: Multiple volume settings (0-120dB) including mute mode.
- 32 Optional Ringtones: Choose from a variety of melodies.
- Weather Resistant: IP55 waterproof design withstands adverse weather conditions.
- Memory Function: Retains settings after power loss.
- LED Indicator: Visual alert on both transmitter and receiver.

Figure 2: Plug-in Receiver Features Overview
The plug-in receiver offers a clear LED indicator, a selection of 32 chimes, a wide volume range from 0 to 120dB, and 5 distinct volume levels, including a mute option.

Figure 3: 1000ft Wireless Range
Experience reliable connectivity with a wireless range of up to 1000 feet, ensuring you never miss a visitor, even if you are in the backyard or upstairs.

Figure 4: IP55 Waterproof Level
The doorbell button is designed with an IP55 waterproof rating, making it resistant to various weather conditions, including rain, snow, and extreme temperatures ranging from -4°F to 140°F.
Setup & Installation
1. Doorbell Button (Transmitter) Installation
Before installation, ensure the mounting surface is clean and free of oils or dirt. Use a suitable cleaner if necessary.
The doorbell button offers two installation methods:
- Adhesive Mounting:
Peel off the protective film from the back of the provided adhesive tape. Firmly press the adhesive side onto the desired clean surface for the doorbell button. Ensure a secure bond.
- Screw Mounting:
For a more permanent installation, use the provided screws and anchors. Mark the desired drilling points, drill pilot holes, insert the anchors, and then secure the doorbell button with the screws.

Figure 5: Installation Options for Doorbell Button
Choose between hassle-free adhesive mounting for quick setup or screw mounting for enhanced stability and security.
2. Receiver Setup
Plug the receiver directly into a standard 120V AC electrical outlet. The receiver will light up and beep twice, indicating it is connected and ready for use.

Figure 6: Compact Receiver Design
The compact design of the receiver ensures it won't obstruct adjacent electrical sockets, maintaining convenience in your home.
Operating Instructions
1. Adjusting Volume
The receiver features a volume control button. Press this button to cycle through the 5 available volume levels (0-120dB), including a mute mode, until you find your preferred sound intensity.
2. Changing Melodies
Use the "Previous" and "Next" music buttons on the side of the receiver to browse through the 32 available melodies. Once you hear a melody you like, it will be set as the default chime.

Figure 7: Receiver Control Buttons
Easily control the volume and select from 32 melodies using the conveniently located buttons on the side of the receiver.
3. Pairing Additional Accessories
The SECRUI Wireless Doorbell system supports connecting up to 20 accessories to a single receiver. This allows for integration with other compatible devices such as window sensors or door sensors, expanding your home security and notification system. Refer to the specific accessory's manual for pairing instructions.
Maintenance
- Cleaning: Regularly wipe the doorbell button and receivers with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals or abrasive cleaners.
- Battery Replacement: The doorbell transmitter (button) is powered by a CR2032 battery, which has an average life of 3 years. When the LED indicator on the button no longer lights up or the signal becomes weak, replace the battery.
- Environmental Considerations: While the doorbell button is weather-resistant (IP55), prolonged exposure to extreme conditions may affect its lifespan. Ensure it is securely mounted to prevent dislodgement.
Troubleshooting
If you experience issues with your SECRUI Wireless Doorbell, consider the following common solutions:
- No Sound from Receiver:
- Ensure the receiver is properly plugged into a live electrical outlet.
- Check the volume level on the receiver; it might be set to mute or the lowest setting.
- Verify the doorbell button battery (CR2032) is not depleted. Replace if necessary.
- Doorbell Button Not Activating Receiver:
- Confirm the doorbell button battery is functional.
- Ensure the doorbell button and receiver are within the specified 1000ft wireless range and there are no significant obstructions (e.g., thick walls, large metal objects) between them.
- Re-pair the doorbell button with the receiver if the connection seems lost. Consult the pairing instructions in the full user manual for detailed steps.
- Interference:
If you experience intermittent ringing or false alarms, check for other wireless devices operating on similar frequencies nearby that might cause interference. Try relocating the receiver or doorbell button.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SECRUI |
| Part Number | M5373+F152 |
| Item Weight | 6.7 ounces |
| Package Dimensions | 5.79 x 3.03 x 2.32 inches |
| Item Model Number | M5373+F152 |
| Batteries (Transmitter) | 1 CR2032 battery required (included) |
| Average Battery Life | 3 years |
| Size | 2 Receivers + 1 Button |
| Color | Black |
| Material | ABS |
| Power Source | AC & Battery-Powered |
| Voltage | 120 Volts (AC) |
| Installation Method | Self-Adhesive & Screw-In |
| Temperature Range | -4°F to 140°F |
| Sound Level | 0-120 dB |
| Type of Bulb | LED |
| Accessory Connection Type | Wireless |
| Plug Format | A - US style |
| Switch Style | Push button |
| Special Features | Adjustable Volume, Optional Ringtone, Memory Function, Energy-Saving, LED Indicator |
| Usage | Wireless Doorbells for Home / Classroom Doorbell |
Warranty & Support
For any questions, technical assistance, or warranty claims regarding your SECRUI Wireless Doorbell, please contact SECRUI customer support. Refer to the product packaging or the official SECRUI website for the most up-to-date contact information.
Always follow the manufacturer's advice when using power tools and wear suitable protective equipment (e.g., safety goggles) when drilling holes. Before drilling holes in walls, check for hidden electricity cables and water pipes. The use of a cable/pipe locator is advisable if in doubt.





