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3 using high brightness large digital tube display strikingly intuitive.
2 touch keypad good operation.
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This item kerui wireless home doors windows security entry alarm system easy to install free battires door sensor for gsm home security alarm system gsm 3g alarm system kit kerui g183 wireless wcdma diy home and business security burglar alarm system auto dial easy to install app control by text not support wifi and or landline.
1 the door alarm can t work standalone it need work with the home alarm system when the door detector is triggered it can send alarm signal to the alarm host.
Kerui wifi home security alarm system works with alexa smart app 120db pir main panel door window sensor wireless burglar alarm.
Kerui upgraded home security system indoor outdoor weather proof siren window door sensors motion sensor alarm with remote control more diy wireless house hotel garage shop burglar door alarm system by kerui.
Kerui d022 wireless door sensor work with home alarm system.
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Kerui upgraded home security system indoor outdoor weather proof siren window door sensors motion sensor alarm with remote control more diy wireless house hotel garage shop burglar door alarm system.