Portable Door Sensor Alarm Door Handle Alarm Touch Alarm 120dB Anti-theft Door Security Siren

Features 120 db supper loud alarm ringing With this alarm installed in your house office factory when the doors and windows are opened by children or the theft it will alarm you to check for safety To stay at the hotel you can install this alarm on the door and window it will protect you upon checking out take the alarm with you for next time use Requires no special wire Just hang on the inside door knob open the switch the piercing alarm will scare off any unwanted intruders leaving you and your home well protected Application When needed to use the alarm only put the switch to ON position and the alarm devices in stand by When the door or window is touched it will immediately makes sound for alarm And the sound will not stop until the switch is put to OFF position A 9V battery is available inside the device change for a new one when the original battery is used up Specification Color BlackNet Weight 55gCable Length 10 7cmSize 9 9 L x 5 4 W x 2 5 H cmPowered by a 9V battery Package includeds 1 x Touch Door Knob Entry Alarm Details pictures