1. The transmitting and receiving devices are respectively installed on both sides of the windows and the door, while the main unit is placed indoors. When an intruder passes through the window to block the infrared beam, the main unit immediately triggers the alarm, achieving intrusion prevention in the door and window area 2. Power supply: 12/24V AC/DC 3. Absorbed current: more than 25mA 4. Detection range: less than 15m 5. Obstacle detection time: 1 second 6. Operating temperature: -10 degrees Celsius to 50 degrees Celsius 7. Alignment type: automatic 8. Installation method: wall-mounted 9. Operating distance: 20m
