SONOFF Wireless Door/Window Sensor DW2 with 433MHz RF & App Alerts

Smart Home Security
– Real-time alerts via app when doors/windows open/close, perfect for home, office, or warehouse monitoring.
433MHz RF Long-Range
– Stable signal penetration through walls, compatible with SONOFF RF Bridge for seamless smart home integration.
Compact & Durable Design
– High-quality ABS housing with precision-engineered magnetic sensor, resistant to wear and extreme temperatures.
Easy DIY Installation
– Peel-and-stick adhesive or screw-mount options, no wiring required. Battery-powered with low-energy consumption.
Multi-Scenario Use
– Ideal for security alarms, pet/child safety, or automating lights/fans when openings are detected.
Global Wholesale Advantage
– Factory-direct pricing, bulk discounts, and reliable shipping for resellers or large-scale projects.