SECRUI Doorbell M520+F55 Wireless Doorbell — 2 Receivers, 300m Range, 58 Chimes, Adjustable Volume

SECRUI M520+F55 Wireless Doorbell: a flexible, cable-free alert system

Designed for modern homes and busy spaces, the SECRUI M520+F55 pairs a compact button with two receivers, delivering clear notifications without any wiring. The system blends practical reliability with a touch of visual cue, including a colorful LED that lights up when the button is pressed. With 58 chimes and a wide volume range, you can tailor the sound to your living space, office, or studio.

Core benefits at a glance

• Loud enough doorbell with adjustable volume from 0 to 120 dB and a mute mode, making it suitable for different environments.
• Memory function preserves the last-used ringtone and volume, so you don’t have to reset after a power outage.
• Ultra-long wireless range up to 300 meters and a waterproof button that stays reliable in varied conditions.
• Simple installation: the system ships with paired transmitters and can be expanded with additional receivers and accessories.
• Waterproof wireless design supports use in entrances, porches, and outdoor spaces, as well as indoor rooms.
• Certified for safety and compliance (CE, RoHS, FCC) and backed by 7 days x 24 hours online support.

Real-world use cases

• In a multi-room home, place one receiver near your living area and another in the bedroom for quick alerts without rushing to answer a door.
• In an office, warehouse, or shop, enjoy a clear, audible cue that travels across hallways and through busy spaces.
• On a porch or garden gate, the long range helps you stay connected even when you’re outdoors, cooking, gardening, or relaxing.
• In apartments or villas where power events or outages may occur, the memory function keeps settings consistent for the next visitor.

The button lights up when pressed, providing a visual cue in dim conditions. The system is expandable up to 20 accessories, so you can build a setup that fits your floor plan and routine. If you have questions about placement, pairing, or expansion, SECRUI offers responsive online support and quick guidance.