2023 New Design 433MHz Wireless Smart Doorbell

High-Frequency 433MHz Wireless Technology
– Ensures stable, long-range connectivity up to 300m (open space), eliminating interference for seamless indoor/outdoor use.
Dual-Function Alarm & Doorbell
– Combines loud 110dB burglar alarm with clear door chime, ideal for homes, offices, and warehouses needing security alerts.
Easy DIY Installation
– No wiring required; powered by 3x AAA batteries (not included) with low-energy consumption design for extended use.
Weather-Resistant ABS Housing
– Durable matte-finish casing withstands UV rays, rain, and temperatures from -20°C to 60°C for year-round reliability.
Plug-and-Play Receiver
– Compact receiver plugs into any standard socket, featuring adjustable volume and mute mode for versatile placement.
Multi-Application Scenarios
– Perfect for front gates, apartments, garages, or as a portable security monitor for rentals and vacation homes.
Bulk Order Advantage
– Wholesale pricing available for security system integrators and retailers, backed by global shipping support. *(Note: Batteries sold separately. Frequency compliance may vary by region.)*