SABRE 110dB Door Handle Alarm, Extremely Loud Wireless Audible Up To 680 Ft Away, Hangs Off Door Knob or Handle, Vibration-Triggered Home Security Alarm, 3 Adjustable Settings, Great for Travel

ATTENTION-GRABBING: Extremely loud 110dB alarm helps wake/alert homeowner or renter when vibration is detected, helping deter intruder and possibly notifying neighbors (audible up to 680-feet/205-meters away)
USER-FRIENDLY & VERSATILE: Keep peace of mind with the 3 adjustable settings (off/alarm/chime); chime mode is ideal to alert you when children or guests are coming and going when you are at home; alarm mode features 30-second activation delay to prevent immediate false triggering, but sounds immediately when doorknob is touched anytime after the initial 30-second delay
PERFECT FOR TRAVEL: Compact size makes this alarm perfect for home and travel. Feel safe wherever you go – use the alarm on entry doors, bedroom doors, houses, apartments, hotel rooms, or even dorm rooms