Specifications:

WiFi USB Siren Alarm

Multiple Sound Selection
Parameter:

Power supply: Mini USB , 5V-1A

Backup power supply: CR123A x 2 (optional)

Sound intensity:120 dB

Wireless Type:2.4GHz, 1T1R

Protocol:IEEE 802.11b/g/n Wireless Range:45m

Operating Temperature:0?~ 60? (32°F~104°F)

Product size(D*W*H): 68x 68x 30mm

Package Included:

1*Wireless WiFi Siren Alarm Sensor

1*USB Data line

Instruction:(If you can see clearly,Please download the photo or contact with us.)