Kanayu 4 Pieces Door Handle Alarm 120dB Door Alarm for Home Security Door Entry Alarm Doorknob Sensing Alarm Window Burglar Alert for Home Security Kids Safety,Gray
- Wide application: these door entry alarms are suitable for various kinds of doors and windows with handles, applied in families, rental rooms,....
- Easy to use: just insert 3 batteries (not included) into the alarm for door handle, turn on the side switch, and hang the alarm on the inside of the....
- Working principle: hang up the triggered home security alarm, and after the red light flashes for about 30 seconds and stops, the door alarm....
- Dual-mode alarm: the switch and alarm mode is in an integrated key, pushing up is the doorbell, pushing down is the alarm sound.
- Adjustable sensitivity: there are 3 levels of sensitivity to be adjusted, which can be set according to your needs.