Lunxisen 4 Pcs Door Magnetic Alarm Home Security Sensor for Doors and Windows Opening Closing Alert Wireless Chime Safety Protection Device

Door Magnetic Alarm Multifunctional Safety Door Locking And Window Alarm Home Protection Door Opening And Closing Reminder Features: Material: Plastic Color: White Product size: 6.4 * 3.6 * 1.4 cm/2.5 * 1.4 * 0.5 in Packaging size: 8.2 * 5 * 2.7 cm/3.2 * 1.9 * 1 in Product weight: 68.8 g/0.15 lb Product Description: Composed of a host and induction m-achine they are fixed on two parts of the door and window (such as the door frame and door leaf) during installation. When doors and windows are opened and the main unit and sub unit are separated alarm will be triggered. Suitable for entry doors balcony windows and other locations it can p-revent i-llegal intrusion and remind if doors and windows are not closed properly. The host is equipped with a disjunctor button which can be quickly activated without com-plex settings. There is a volume button ne-xt to it which can adjust the appropriate volume. White compact body suitable for home decoration style will not appear abrupt after installation.