High decibel sound and light alarm, greater than 85dB Anti-disassembly design in dedicated safety field with low voltage monitoring prompt function When the detector is triggered, it will immediately send out an audible and visual alarm to deter intruders. Users can also APP to realize out-of-home alert, home alert, cancel alert, emergency alarm and other operations to achieve control of the wireless sound and light alarm. The communication of the whole system adopts wireless transmission, which makes the installation of the product convenient and fast