<b>Door Window Sensor, 3 Month History Check Smart Quickly Control Fast Installation Home Security Burglar Alarm 2.4GHz Synchronized State for Drawers</b><br/><b>Specification:</b><br/>Item Type: Door Window Sensor<br>Material: ABS<br>Color: White<br>Battery Type: Built in 240mAh CR2032 button battery<br>Wireless Type: For Zigbee3.0<br>Wireless Standard: IEEE 802.11/b/g/n <br/><br/><b>Package List:</b><br/><p>1 x Door Window Sensor Kit</p><p>1 x Sticker</p><p>1 x Card Pin</p><p>1 x User Manual</p> <br/>