NEO WiFi USB Siren Alarm Sensor USB Powered Smart Home Hotel Office 100 db Loud Siren

Specification Name WiFi USB Siren AlarmMultiple Sound SelectionPower supply Mini USB 5V 1ABackup power supply CR123A x 2 optional Sound intensity 100 dBWireless Type 2 4GHz 1T1RProtocol IEEE 802 11b g n Wireless Range 45mOperating Temperature 0℃ 40℃ 32°F 104°F Operating Humidity 20 85 Storage Temperature 0℃ 60℃ 32°F 140°F Storage Humidity 0 90 Free app Tuyasmart or Smart Life Support systems Android and IOS Workes with Alexa and google home Product size D W H 68x 68x 30mmPackage included 1 x Alarm Sensor Details Pictures