✅ WIRELESS DOOR STOPPER ALARM is a portable alarm that makes 120db alarm when triggered, helps alert homeowner or renter to deter intruder, and possibly help notifies neighbors and also security authority.
✅ EASY INSTALLATION – no wiring needed; battery-operated (requires 1x9V battery, not included); place it under the door, the gap between the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in), it can not slide on the tile when the door opens, the smooth floor can try to use H-type sensitivity, vibration-sensing alarm.
✅ 3 SENSITIVITY LEVELS – Low - Medium - High, with an adjustable sensitivity switch on the side; H level is the most sensitive level that vibration will trigger an alarm; please note when the alarm sound gradually becomes smaller, it means to replace the new battery.
✅ PORTABLE DOOR STOPPER ALARM – package includes 3 door alarms, each weight about 120g; easy to carry; alarm loud 100db to protect you; great for travel; ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc; peace of mind when traveling or working alone.
Product Name: Door Resistance Alarm
Working voltage: DC9V
Alarm volume: 120DB
Product size: 140*45*40mm
Product weight: 90G
Sensitivity L file: low sensitivity
Sensitivity M file: sensitivity
Sensitivity H file: high sensitivity (vibration alarm)
Widely used in single apartment/rental/business trip/travel home/company, etc.
Any occasion that requires protection, anti-wolf anti-theft thief, can also prevent abnormal intrusion