Tuya Zigbee / WIFI Smart PIR Human Body Motion Infrared Sensor Detector Alarm
Zigbee Frequency: 2.400GHZ-2.484GHZ (need to match the gateway). Alarm current: ≤15mA. USB input: DC5V/2A (using USB can not use dry battery). We will be happy to resolve any issues you may have in a cordial and friendly manner.