Enhance your security system with our Door Single Beam Infrared Beam Alarm, designed for high sensitivity and reliability in various environments. This advanced infrared beam sensor is perfect for schools, homes, and other facilities requiring robust security measures. Advanced Technology: Our single beam infrared alarm features a waterproof cover design, ensuring full protection against fog, dust, and insects. Its all-weather integrated structure allows it to function effectively in harsh environments, providing reliable security year-round. Unique Design: Equipped with a high-power transmitter and a 90% sensitivity margin, this alarm offers powerful infrared emission and efficient low-power processing. The lightning-proof circuit design and high immunity to RFI and EMI, along with a unique digital filter circuit, ensure optimal performance and durability. Strong Anti-Interference: The infrared beam alarm utilizes a hemispherical optical lens to concentrate the beam, ensuring accuracy without scattering. Its automatic strong light adjustment system effectively prevents interference from strong light sources, such as car headlights, maintaining consistent performance. Wide Applicability: This active infrared detector is versatile and can replace passive infrared intrusion detectors in small supermarkets, convenience stores, visitor entrances, and window entrances. It is also ideal for security systems in schools, office buildings, dormitories, and homes, offering comprehensive protection. Easy Installation: For optimal performance, install the device at a height greater than 20cm (7.9in) and ensure the installation distance is not less than 1m. The infrared protection device should be placed vertically and aligned on the same horizontal line. The package includes screws and other accessories, making installation straightforward and convenient. Secure your premises with our high-sensitivity infrared beam alarm, designed to provide peace of mind and reliable protection in any setting.