💒【Easy to Control & Stable Connection】Zigbee connection has stronger anti-interference capability, Fast-response, provides more stable connection.With free Koogeek Life/Smart Life app, You can control whole system anywhere anytime. It is suitable for doors, windows, cupboards and all important entrance areas of your home. | 💒【Smart Motion & Door Sensor Assure Your Safety】 Our motion sensor monitors 110 ° day and night. Even at night, moving objects can be detected up to 8 m away. When someone comes by or opens the door, you will immediately receive a notification from koogeek life app . Never worry about the arrival of unwanted guests again. | 💒【Intelligent Temperatures & Humidity Detecting Funtcion】With Unique temperature and humidity detecting function, you can stick this Door / Window Sensor on the baby bed to prevent your baby from getting sick due to unexpected weather,or Install it in the warehouse so that you can know the humidity, to preserve items better | 💒【Broad Compatibility & Control Everything by Only One Smart Hub】Koogeek home security system can work with Alexa and Google Assistant. You can arm your home when you leave it or examine if the door has been opened. Simply connect to your internet and add on multiple Zigbee products for a complete smart home system.The Hub allows you to control everything from a single smart bulb to your entire home security system. | 💒【Share with Your Family & No Monthly Monitoring Fee】 No monthly monitoring fee,all control in free Koogeek Life/ Smart Life app by your smart phone. 3pcs sensors (1 door/window sensors ,1 PIR motion sensor and 1 temperature&humidity Sensor ) paired with one main smart hub. 2.4GHz supported rather than 5Ghz, kindly refer the user manual before use.Koogeek wireless home security system are thoughtful gift for your loved one's for every special occasions.