Mobile APP remote alarm memory<br> Anti-dismantling design in dedicated safety field<br> Low voltage monitoring prompt function<br> Wireless transmission signal, easy to install<br> Send regular online reports about the gateway<br> When the detector is activated, it will immediately send a audible and visible alarm to deter intruders.<br> Users can also implement APP out-of-home alert, home alert, cancel alert, emergency alarm and other operations to achieve control of wireless sound and light alarm.<br> When the siren is used, it must be used in combination with the gateway, through the APP parameter realize the control of the wireless sound and light alarm.<br> The communication of the whole system approves wireless transmission, which makes the installation of the product convenient and cutting<br> Specifications:<br> WiFi USB Siren Alarm<br> Power supply: Mini USB , 5V-1A<br> Backup power supply: CR123A x 2 (optional)<br> Sound intensity:90 dB<br> Wireless Type:2.4GHz, 1T1R<br> Protocol:IEEE 802.11b/g/n Wireless Range:45m<br> Free app:Tuyasmart or Smart Life.<br> Support systems: Android and IOS<br> Package Included:<br> 1 x Alarm Siren,<br> 1 x USB Cable,<br> 1 x Manual