LQ-698 Tuya Smart Home Wireless Temperature And Humidity Detector Sensor, Need to be used with Gateway (TBD05620685)

1. Size: 68x68x30mm 2. Net weight: 72g 3. Gross weight: 82g 4. Features: precise detection, multiple alarms, intelligent linkage, low power consumption, real-time monitoring 5. Power supply mode: 2 x AA batteries (need to purchase by yourself)