Specification: Material: ABS Body Stainless Steel Cover Damping Rubber Base Overall Size: 5.51 x 1.77 x 1.50 inch / 14cm x 4.5cm x 3.8cm Alert: 120db Weight: 89g/ Pcs Power: 9V battery (NOT INCLUDED) Features: 1. Wedge-shape design to fit any hinged door; Special design for use at home, office and hotel rooms 2. Adjustable high sensitivity. High/Medium/Low Sensitivities. Which depends on the distance door touch the door stop alarm. 3. No installation required, powered by one 9V battery, no wiring, easy to use, great for travelers. 4. Can be used as a doorstop when power switch is turned off, and 120db high-pitched continuous siren when activated, to scare and warn unknown intruders, while waking you up and alerting you to danger. Package Include: 1pc x Home Security Door Stopper with Alarm
