







🚪🔔 Never miss a knock—elevate your entry game with SECRUIDoorbell!
The SECRUIDoorbell is a wireless doorbell system featuring two receivers, adjustable volume up to 120 dB, 58 customizable chimes, and a long-range wireless signal of up to 1000 feet. Designed for easy installation with pre-paired devices, it includes waterproof LED indicators and supports expansion up to 20 accessories. Ideal for homes and offices, it combines reliable performance with user-friendly features and 24/7 customer support.









| Manufacturer | SECRUI | 
| Part Number | M520*2+F55 | 
| Item Weight | 0.106 ounces | 
| Product Dimensions | 5.5 x 2.9 x 2.8 inches | 
| Item model number | Doorbell with 2 receivers | 
| Batteries | 1 Lithium Metal batteries required. (included) | 
| Is Discontinued By Manufacturer | No | 
| Size | 1 push button 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 dB | 
| 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 | 1 × Transmitter (battery included), 2 × Plug-in receiver, 1 × Adhesive tape, 2 × Screw, 2 × 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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