Ledvance Smart + WIFI Contact Sensor

Features: Wireless smart contact sensor for status of windows and doors (open/close) Easy and flexible installation thanks to adhesive pad and wireless operation For indoor use only Controllable via LEDVANCE SMART+ App (with minimum Android 8.0 or iOS 14.0) Rechargeable battery-powered (6 months lifetime per charging, 5 detections per day) Charging cable and installation kit included Specifications: Dimensions: H:2.4 x W:3.1 x D:7.2 cm Colour: White Guarantee:2 years Material: Plastic Model Number: 4058075730052

Price: 19.99 from Robert Dyas