KERUI WIFI Horns Alarm System Kits A No-frills Alarm System Which is Easy to Install and Great Value for Money 1. The burglar alarm system comes with fully programmed,do not have to program anything. You can also not connect to wifi directly as a live loudspeaker to use 2. Install the door/windor sensor in somewhere need to protect,the siren horn is powered by a 110 V to 240 V AC adapter,plug it in outlet,will hear beep,then use the remote key fob to arm or disarm the system along with the alarm horn will beep to remind you it in working(arm/disarm) status;in arm status,when doors open, horn screams up to 120dB scare off intruders and alert you or your neighborhood of a possible break in. DIY More Accessories Alarm System Security Kit 1. The security alarm system complete comes with fully programmed.
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