Wi-Fi Motion Detector With Temperature And Humidity Sensor, Usb/Battery Powered IR MOTION ALERT SENSOR--APP ALERTS ANTI-DISMANTLE: Wireless PIR motion detectors,10 meters detection distance,120 effective detection angle, Whether day or night can be real-time monitoring. Once movement is detected or when disassembling with external force, instant notifications will be sent to your devices within a few seconds. Make Your Home Smarter. BUILT IN SMART HYGROMETER AND THERMOMETER: Except for motion tracking, 3-in-1 Smart Motion Sensor alarm access temperature and humidity accurately,Remotely monitor temperature humidity. Send alerts via app when temperature or humidity goes out of preset value.(Support Alxea voice control to query temperature and humidity, and the alerts are sent via the App) DUAL POWER SUPPLY AND LINKAGE FUNCTION: Motion detector alarm indoor can be powered by the included USB cable(included) or CR123A battery(included). More stable to receive alert.Long-term power supply,say goodbye to power outages. It can linkage with other smart home products, such as smart lights or door sensors, etc. Setting custom scenes in your smart home system, for example, turning on the lights if motion is detected. 2.4GHz WiFi One-KEY CONNECT EASY SETUP: Don't need home gateway,you can easily achieve the intelligent control of home appliances,simple operation,easy to use. SECURITY ALARM SYSTEM--CUSTOMERS: We guarantee that our 3- in-1 Infrared sensor alarms are qualified, and provide a two-year warranty. If you have any questions about the home security sensor alarm system, please feel free to contact us.