1. Ensures your safety at home or travel 2. Wedge shape to fit any hinged door 3. Adjustable sensitivities: High / Medium / Low 4. No installation required, convenient for travelers 5. 120dB high pitch continuous siren when activated 6. Can be used as a doorstop when power switch is turned off 7. Powered by 9V battery (not included) 8. Size: 13.9*4.4*3.9cm 9. Weight: 88g
