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