Door Handle Alarm System, 120 DB Touch Sensor Door Handle Alarm, Electronic Door Handle Alarm for Home/Office/Factory.

Instructions: 1. Make sure the applicable environment is stable, no factors causing shaking and vibration of products in the room. 2. Install 3 AAA batteries and set them to the required alarm sensitivity (H/L/0). General L level selection. 3. Hang the product on the door/window handle and open the switch statically to start working. 4. The alarm sounds 120 decibels when someone wants to open the door/window illegally. Specification: Condition: Brand New Material: ABS Plastic White Color Power Supply: 3 AAA batteries (excluded) Alarm sound: 120 dB Alarm mode: induction + touch Installation method: Hang on to the door lock, to the window Package weight: about 61g. Package List: 1 * Alarm