Features:
WiFi temperature and humidity Sensor
WiFi USB Siren Alarm
With temperature and humidity sensor
Multiple Sound Selection
Power supply: Mini USB, 5V-1A
Backup power supply: CR123A x 2 (optional)
Sound intensity: 100 dB
Wireless Type: 2.4GHz, 1T1R
Protocol: IEEE 802.11b/g/n
Wireless Range: 45m
Operating Temperature:0^C~ 60C (32°F~> 104*F)
Free app: Tuyasmart or Smart Life.
Support systems: Android and IOS.
Workes with Alexa Echo and google home.
Product size(D*W*H): 68x 68x 30mm
Specification:
Multiple Sound Selection
Power supply: MiniUSB, 5V 1A
Backup power supply: CR123AX 2 (optional)
Sound intensity: 100 dB
Wireless Type: 2.4GHz
Protocol: IEEE 802.11/g/n
Wireless Range: 45m
Operating Temperature: 0°C~ 40°C (32°F~104°F)
Operating Humidity: 20% ~ 85%
Storage Temperature: 0°C ~ 60°C (32°F ~140°F)
Storage Humidity: 0% ~ 90%
Certificate: RoHS, FCC, CE