







🚪🔔 Elevate your entry game with SECRUI – where style meets unstoppable sound!
The SECRUI Wireless Doorbell M520+F55 features a robust 120dB volume with 58 melody options, three receivers, and two waterproof buttons with a 1000ft wireless range. Designed for easy installation and durability, it operates in extreme temperatures and includes a memory function to retain your preferred chime and volume settings. Ideal for homes, apartments, and businesses seeking reliable, stylish, and customizable door alert solutions.






| Manufacturer | SECRUI |
| Part number | M520+F55 |
| Item Weight | 269 g |
| Product Dimensions | 6 x 2.5 x 6 cm; 269.32 g |
| Batteries | 1 CR2032 batteries required. (included) |
| Item model number | M520+F55 |
| Size | 3 Receptores + 2 Botón |
| Color | Black/White |
| Material | Plastic |
| Pattern | Simple design |
| Shape | Square |
| Power source type | Powered by AC and battery |
| Voltage | 120 Volts |
| Installation Method | Self-adhesive and screw-on |
| Item Package Quantity | 1 |
| Temperature Range | -4-140 Degrees Fahrenheit |
| Noise Level | 120 Decibels |
| light-source-type | LED |
| Speed Rating | Memory function LED indicator |
| Measurement Accuracy | 0.039 inches (1 |
| Accessory Connection Type | wireless |
| Plug Format | A- US Style |
| Switch Style | Push Button |
| Special Features | Adjustable volume optional ringtone |
| Specific uses | Wireless Doorbells for Home and Classroom |
| Included components | 3 Receivers + 2 Button, User Manual |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Manganese Dioxide |
| tech_spec_battery_description_toys | CR2032 |
| Battery life | 3 years |
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