Siren Sound Alarm Sensor APP Control Home Wireless Security System WiFi USB

Features: 100db Loud Alarm WiFi USB Siren Alarm Multiple Sound Selection Make sound and light when triggered Workes with Alexa Echo and google home. 2 Power supply method including usb and battery Specification: Material: ABS Color: White Wireless Range:45m Sound intensity: 100 dB Power supply: Mini USB 5V-1A Backup power supply: CR123A x 2 (Not included) Wireless Type: 2.4GHz, 1T1R Protocol: IEEE 802.11b/g/n Operating temperature: 0~ 40 (32F~104F) Operating humidity: 20%~85% Storage temperature: 0~ 60 (32F~140F) Storage humidity: 0%~90% Free app: Tuyasmart or Smart Life. Support systems: Android and IOS. Product size(D*W*H): 65x 65x 30mm Package included: 1 x Siren Alarm (Battery Not Included) 1 x USB Cable 1 x User Manual