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Door/Window Sensor Sonoff DW2 RF433 — wireless magnetic sensor, RF433 MHz, battery-powered
Summary description:
Sonoff DW2 RF433 is a wireless door/window magnetic sensor that operates on the RF433 MHz band and is battery-powered. It detects opening and closing of doors or windows and transmits status changes to compatible RF433 controllers or alarm panels. Ideal for basic security monitoring, entry notifications, and integration with RF-based home alarm systems.