Intelligent Detection: This infrared alarm detector equipped with intelligent chip, automatically detects environmental changes, automatically adjusts the radio transmission power according to environmental conditions, effectively extending the service life of the launch tube while reducing power consumption. Warning Distance: This infrared alarm the maximum warning distance is 100 meters / 328 feet. It is suitable for all kinds of supermarkets, hospitals, schools and factories in an ideal and open environment. Place of Use: This invisible beam barrier IR motion sensor alarm is durable and can adapt to various environments, suitable for factories, buildings, prisons, stadiums, hospitals, schools and other places. Adapts to Various Environments: The infrared sensor alarm is completely sealed with a polymer coating and an IP55 waterproof rating. Don't worry about the machine not working due to weather conditions. The integrated sealing structure is waterproof, dustproof and tamper-proof. Note: This Infrared Photoelectric Detector Alarm Smart Motion Sensor due to lighting effects, the actual product color may differ from the photo. The measured values of the product may vary slightly. Specification Alarm output: NC and No Contact rating AV / DC 30V, 0.5A Detection method covers light at the same time Warning distance: 100meter / 328ft Light source: infrared digital pulse Induction rate: 50-700ms Horizontal adjustment axis: 18090 Vertical adjustment axis: 10 Input voltage: DC 12-24V, AC 11-18V Working current: 100mA Weight: 723g / 25.5zzz Package list: 1 x Transmitter 1 x Receiver 3 x Bracket 4 x Screws Note: Other items are not included, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow the deviation. Thank you! becomeveryrich