2024 New Design 433MHz Wireless Smart Doorbell

Ultra-Stable 433MHz Signal
– Ensures reliable long-range connectivity (up to 300m in open areas) with minimal interference, ideal for homes, offices, and warehouses.
Crisp HD Audio & Instant Alerts
– High-sensitivity microphone and speaker deliver clear two-way communication with real-time push notifications via included receiver.
Easy DIY Installation
– No wiring or drilling required; adhesive backing or screw-mount options for versatile placement on doors, gates, or walls.
Durable Weatherproof Build
– IP54-rated casing withstands rain, dust, and extreme temperatures (-20°C to 60°C) for year-round outdoor use.
Enhanced Security Features
– Built-in anti-theft alarm (110dB) and customizable chime tones deter intruders while alerting residents.
Multi-Device Expandability
– Supports pairing with additional receivers (sold separately) for whole-property coverage.
Energy-Efficient Operation
– Low-power design with replaceable CR2032 batteries (included) lasting up to 12 months. Perfect for securing apartments, villas, retail stores, or garages—combine with existing alarm systems for layered protection.