920 is a multi-function wireless alarm system integration. It matches with a 200W metal ultra slim speaker.The siren is equipped with a wireless remote control,the sound is very loud and clear; handle firmware built-in more than 20 kinds of alarm (treble siren, bass whistle, 6 seconds Ambassador, fire, jogging air defence, Ambulance), etc., these key alarm can be "CONVERT" key to switch. The alarm can control the two lights on and off, with short circuit, polarity reverse and other protection.It’s with simple one button light control on the remote, You can use the PA system by pressing and holding the button on the side of the remote and speaking towards the microphone sound pickup hole. Alarm installation is simple, easy to operate, stable performance,strong power.
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