NEO NAS-DS01W Smart Wireless Door Sensor 2.4GHz WiFi Door Window Sensor Smart Home Security Devices •2.4GHz WiFi One-Key Connect Easy Setup: Do not need the home gateway,you can easily achieve the intelligent control of home appliances,simple operation,and easy to use. 2.4GHz protocol is more stable,faster,and more convenient •Make Your Door/window Smarter: When you leave home,it will push a notification to you if the doors or windows are opened or invaded by an external object,you will find anomalies in your home immediately •Small & Compact Appearance: reasonable size design,optimize the internal structure,which brings you convenience,beauty,and enjoyment •Smart Home Full Guard: support multi-device controlled,enjoy your smart home with WiFi smart home devices •LARGE CAPACITY MORE DURABLE: full of power long durable,replacing the battery is simple,service more intimate •Specifications: •Battery: CR2 x 1 •Battery Life: 2 years •Standby Current: 10uA •Standby Time: 5 years •Use Time: 1 year (15 times/day); 2years(7 times/day) •Wireless Type: 2.4GHz •Protocol: IEEE 802.11b/g/n •Wireless Range: 45m •Operating Temperature: 0°C~ 40°C (32°F~104°F) •Operating Humidity: 20%~85% •Storage Temperature: 0°C ~ 60°C (32°F ~140°F) •Storage Humidity: 0%~90% •Main Body: 71mm x 21mm x 22mm •Small Body: 40mm x 11mm x 11mm Package included: •1 x Set of Smart Door Sensor •1 x Battery •1 x English Manual •Other items not included