Wireless Wedge Alarm Doorstop 120 dB for Hotel, Home, and Travel Security (Pack of 2)

More comfort and security: When the door is opened, it triggers and emits a 120 dB alarm to warn and deter intruders, protecting you and your privacy. Convenient and portable for travel, simply position it at entry points, wherever you go. Excellent design: Features an adjustable sensitivity switch on the side with 3 sensitivity levels: low, medium, and high. You can adjust the sensitivity according to your needs. Easy to use: No drilling required, only requires a standard 9V battery (not included). Simply hold this doorstop in your hands, choose the sensitivity level according to your needs, and place it under the door. The distance between the door and the floor should be 10 mm to 35 mm. If the gap is greater than 35 mm, please place a soft material under the doorstop. Widely Used: Suitable for use in homes, offices, hotels, retail stores, apartments, and workshops. When the switch is off, it can also be used as a regular doorstop to hold doors in the correct position. (Note: Works only with inward-opening doors) [Built to Last] Made of ABS plastic and a stainless steel plate for durability, rust resistance, and high strength. It has rubber padding on the bottom, but it is not recommended for use on very smooth floors.