WATERPROOF: The IR alarm sensor adopts waterproof design.Has the functions of waterproof, dustproof and anti-mite, and is suitable for use in harsh environments DURABLE: the product is fully sealed with a polymer coating and its surface is treated with a beautiful and resistant to aging paint. APPLICATIONS: Ideal for installing security system in school, office building, hospital, private yard, etc. Ideal for front doors, window frames, driveways, pathways and anywhere in your home you want to be alerted. SIMPLE TO INSTALL: Small size for less visible installation.both convenient and practical, giving you a wonderful view and a sense of security SMART DESIGN: equipped with intelligent chip to automatically detect environmental changes, automatically adjust the transmitting power of the radio according to environmental conditions, effectively extending the life of the launch tube, while reducing power consumption Specification: Material : ABS Color: black Alarm output: NC and NO nominal contact AV/DC 30V, 0.5A The detection method covers the light in same time Distance warning: 100m / 328ft Light source: Infrared digital pulse Induction rate: 50-700ms Horizontal adjustment axis: 180 90 Vertical adjustment axis: 10 Input voltage: DC 12-24V, AC 11-18V Working current: 100mA Package list: 1 * transmitter 1 * receiver 3 * bracket 4 *screws Note: The actual color of the product may vary from the photo due to light. There may be a slight deviation in the product measurement.