1. The switch is divided into "H" gear and "L" gear, corresponding to height sensing mode and general sensing mode respectively.
2. Door Stopper Alarm: Push the switch to "H" or "L", and place on the floor behind the door, when somebody push the door, the
alarm will sound with red light,the door could not be opened.
2. Door Stopper Alarm: Push the switch to "H" or "L", and place on the floor behind the door, when somebody push the door, the
alarm will sound with red light,the door could not be opened.
3. Window Sensor:Push the switch to "H", and place the unit on the window glass by suction cup, when the window be moved,the alarm will sound with red light.the alarm will stop after 30 seconds.