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 (Black)

• Wide application: these door entry alarms are suitable for various kinds of doors and windows with handles, applied in families, rental rooms, dormitories, hotels, shops, warehouses and other places of anti-theft, also an effective helper for traveling to protect the safety of you and your family 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 door handle, then you can enjoy a secure living place Working principle: hang up the triggered home security alarm, and after the red light flashes for about 30 seconds and stops, the door alarm officially enters the alarm state. When someone touches the door handle or opens the door or window and generates vibration, the alarm will immediately sound an alarm to remind you Dual-mode alarm: the switch and alarm mode is in an integrated key, pushing up is the doorbell, pushing down is the alarm sound. When the doorknob sensing alarm is not in use, the switch key can be restored. Besides, the alarm sound is up to 120 dB, no omissions, no false alarms Adjustable sensitivity: there are 3 levels of sensitivity to be adjusted, which can be set according to your needs. Generally we recommend you to set it to mid-range, which can effectively protect your home and let you rest assured, Manufacturer: Kanayu