HOME » QUESTION » How could i turn off the interconnected siren,it still flash when i teke it off the mains power socket?

Q：How could i turn off the interconnected siren,it still flash when i teke it off the mains power socket?

A：

You can press the reset button for 10 times quickly to cut off the backup batter power,then it will turn off.it can turn on again if you plug it into mains power socket.