DescriptionIf you are looking for a profeional andaffordable magnetic wirele door sensor, then your research is over here.That's because our product can meet your need. Adopted of premium material, itis practical and durable for long time use. It is not easy to get deformed andbring you much convenience.Features-Color:White-Material:ABS-Size:7.10X2.20X2.20cm/2.79X0.86X0.86in: 1 xStandby time: 2 yearsStandby current: 13uAWirele Type: 2.4GHzProtocol:IEEE 802.11b/g/nWifi distance: 45mOperating Temperature: 0 - 60 (32F - 104F)- Detect whether the door is open orclosed, and send push notification to the phone.- Anti-dismantling function, send pushnotification when the device is removed.- 2.4GHz WiFi one-key connection, easyinstallation, no home gateway is needed, and and can be easily achieveintelligent control of household appliances, simple operation and convenientuse.- When you leave the house, if the doorsand windows are broken, it will give you a notification to open or be invadedby external objects, and you will immediately know that there is an abnormalityin your home.- The compact and reasonable size design,optimized internal structure, bring convenience, beauty and enjoyment. 1 x door sensor