Chuango Door/Window Alarm Sensor, White

Key FeaturesPower supply: DC 1.5V (AA 1.5V LR6 Battery x 1 pc)Static current: ≤35uAAlarm current: ≤10mATransmitting distance: ≤80m (in open area)Radio frequency: 315MHzHousing material: ABS plasticOperation Condition: Temperature: -10°C~55°CRelative humidity: ≤80%(non-condensing)Item Size: 71 x 34 x 17.5mm (L * W * H)Package Size: Approx. 16 * 11 * 5cm / 6.3 * 4.3 * 2inPackage Weight: Approx. 130g / 4.6oz Key SpecsLow-consumption chip design: which can make it work long time. High Sensitivity: Excellent design, tiny and fashion. Protective: It also comes with tamper protection to ensure system integrity. How to Use: Simply attach one piece to your door or window, and attach the other piece to the door or window frame. Ideal intrusion warning: for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc