Door Stop Stopper Alarm Block Blocking for Home Office Travel Security Doorstop Alarm SystemDescription:This is a new type of stainless steel cover door stop alarm, which is an effective way to stop intruders. It is small in size and can be stored in a travel bag, briefcase or wallet. Very suitable for family, office and travel.Feature:Stainless steel cover, small size. The wedge-shaped design siren prevents intruders from opening the door.Adjustable sensitivity switch can prevent tampering. Powered by 9-volt battery (not included).With 3 sensitivity levels and super loud alarm. When activated, a continuous alarm sound with a high pitch of 120 dB will sound.Easy to operate, just put it under the door.Specification:Equipment: door alarmFunction: 3 sensitivity levelsSize: 14cm x 4. 5cm x 4.0cm/5.5x1.7x1.57inMaterial: abs+stainless steelPower supply mode: 1 x 9V battery (not included)Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.1 X Door Stop Alarm