Home Security Wedge Door Stop Alarm System (1 x 9V)
Model: DSA1 - Color: Black + silver - Material: Plastic + metal - Sensitivity modes: High > Medium > Low - Up to 120 dB high-pitched continuous siren when activated - Wedge-shape design to fit any hinged door - No installation need easy to use - Powered by 1 x 9V battery (not included) - Widely used in home office hotel etc.