Home Security System Alarm Voice Acousto-optic Siren 433MHz Doorbell 110dB 1 x Main Panel 1 x PIR 1 x Remote 1 x Sensor - Easy to install

- Easy to install

easy to adjust the length

RF remote controller

rust-resistant cast aluminium for easy use and long lasting quality

and children do not need to do any operation

Home Security System Alarm Voice Acousto-optic Siren 433MHz Doorbell 110dB 1 x Main Panel 1 x PIR 1 x Remote 1 x Sensor - Easy to installProduct Features: Away zone Detectors in this zone will trigger the alarm when set arming stay arming; disarming, not trigger the alarm. This apply to all area. Stay zone Detectors in this zone will not trigger the alarm when set stay arming will trigger the alarm; disarming not trigger the alarm. Apply to the area which have person activity. 24 hours zone detectors in this zone will trigger the alarm when set arming stay arming disarming. Apply to