Door Plug: Door alarm system

Features: Stainless Steel Cover. High quality. Wireless. Adjustable High-Medium-Low sensitivity. Vibration sensor. No installation required, easy for travelers to carry. Wedge-shape design to fit any hinged door.120 dB high-pitched continuous siren when activated. Can be used as a doorstop when power switch is turned off. Powered by a 9-Volt Battery (Not Included). Mini size, space-saving. No installation required. Special design for use at home, office, hotel rooms. Ensures your safety and peace of mind at home or when traveling. Specifications: Color: Black and Silver Material: Plastic+Metal Working modes: Vibration sensor Volume of the alarm: 120 dB Three sensitivity: High, Medium, Low Battery: 1*9V battery (not included) Size: 14*4.5*4cm/5.51*1.77*1.57in Package Included: 1*Door Stop Alarm