







🔔 Elevate your entryway with smart sound and seamless style!
The SECRUI Wireless Doorbell M520+F55 offers a robust 1000ft wireless range with 2 push buttons and 2 receivers, featuring 58 chimes and adjustable volume up to 110dB. Designed for large homes and offices, it includes colorful LED alerts, memory function, and easy installation with adhesive or screws. Expandable and versatile, it supports up to 20 receivers or buttons, making it perfect for modern, connected living and working spaces.









| Manufacturer | SECRUI |
| Part Number | M520+F55 |
| Item Weight | 7 ounces |
| Package Dimensions | 5.51 x 2.83 x 2.83 inches |
| Item model number | M520+F55 |
| Batteries | 1 CR2032 batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 2 push buttons 2 receivers |
| Color | Black |
| Material | ABS |
| Pattern | Simple design |
| Shape | Square |
| Power Source | AC & Battery-Powered |
| Voltage | 120 Volts |
| Installation Method | Self-Adhesive & Screw-In |
| Item Package Quantity | 1 |
| Temperature Range | -4-140 Degrees Fahrenheit |
| Sound Level | 120 Decibels |
| Type of Bulb | LED |
| Performance Description | MEMORY FUNCTION ENERGY-SAYING LED INDICATOR |
| Accessory Connection Type | Wireless |
| Plug Format | A- US style |
| Switch Style | Push button |
| Special Features | Adjustable Volume Optional Ringtone |
| Usage | Wireless Doorbells for Home / Classroom Doorbell |
| Included Components | 2× Transmitter (battery included), 2 × Plug-in receiver, 2 × Adhesive tape, 4 × Screw, 4 × Anchor, 1 × User manual |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Manganese Dioxide |
| Description Pile | CR2032 |
| Average Battery Life | 3 years |
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