SONOFF Used WiFi Door Window Sensor Wireless Contact Alarm Sensor App Control
(NOTE: No built-in siren, but alert your phone.). Thermostatic Radiator. DIY Smart Switch. (we don’t work on weekends).
SONOFF Wi-Fi Wireless Door Window Sensor Smart Home Security No Gateway Required
Gateway & Sensors. Smart Accessories. Smart Lighting. Smart Plugs. Smart Switch DIY. Smart Wall Switch. Smart DIY Switch. (NOTE: No built-in siren, but alert your phone.).
