[Wifi + Bluetooth Dual mode]Connect to faster. The connection network speed is 2 times faster than only Wifi. (Bluetooth is only used for network signal connection, Bluetooth cannot be used alone. WIFI+Bluetooth is more stable) [Low Voltage Remind]When the battery level is low, it automatically remind you to change batteries, never worry about running out of battery. [Intelligent Linkage]The PIR Motion sensor can be linked with other smart devices, simple steps to create Smart Home automation and mobile phone remote monitoring. [Advanced Motion Sensor]Tuya WIFI PIR detects human body or animals that are moving, 360 detection angle, 5-7m detection distance, can achieve real-time monitoring day or night. When tuya motion sensor detect movement, RED light on with alert notification. [Emergency Alert Push Function with Movement Detected]When there is movement detected, the movement tuya motion sensor alert notifications be pushed to your phone, be aware of what's happening even when you're away. for Smart Life App Control:Control the alarm system from anywhere using the Smart Life app on your smartphone. for and for Home Support :Connect the alarm system to your voice assistant for hands-free control. Tuya WiFi PIR motion sensor detector movement sensor smart Life app wireless home automation system work with for Home [PIR Motion Sensor History Records]You can track the history of tuya motion sensor detector activities. [Power supply mode]There are two power supply modes: USB and battery.(No batteries included, you need to prepare 2 xAAA dry batteries) USB input voltage:DC5V/ 2A Battery:DC3V LR03 x 2 Standby current:75uA Alarming current: Less than 60mA Low-voltage notification:2.4V WiFi:802.11b/g Detection distance:6M Detection angle:360 Installation methodceiling /wall Working temperature-10-50 Working humidity95%RH Color: White Material: plastic Package Contents: 1 x Tuya wifi infrared detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.