Self-powered door and window sensor

Product Model S2-series-fm Power source Self-powered (No battery) Number of keys 1, 2, 3 Keys Radio frequency RF 433MHz Operating

Product Model OME0254 Dimensions L74.66*W74.66*H66.73mm Status Indicator Green / Red Plug Type CN / EU / UK / KR Operation

Product Model P1-series-fm Power source Self-powered (No battery) Number of keys 4 Keys Radio frequency RF 433MHz BLE Operating range

Product Model D2-series-self-powered-door-and-window-sensor-fm Sense Part L50*W47.5*H17mm Power Mode Self-powered Transmission Outdoor:80m,Indoor:25m Storage Capacity Maximum 10 switches Work Temperature -20℃ ~