Enhance your security system with this reliable Infrared Detector Pair, designed to create an invisible and consistent infrared beam up to 20 meters. Constructed with a high-quality, eco-friendly plastic shell, this durable and sturdy detector set is ideal for protecting schools, office buildings, hospitals, parking areas, and home yards. The detectors must be installed opposite each other to form an infrared detection zone that triggers an alarm signal when interrupted, providing effective intrusion detection and improved safety. Key Features: · Durable Plastic Shell: Made from eco-friendly, high-quality plastic, ensuring long-lasting use and resistance to environmental wear. · Long Detection Range: Creates a reliable invisible infrared beam with a maximum range of up to 20 meters, suitable for various security applications. · Precise Infrared Frequency: Operates at an infrared frequency of 1.92kHz with a wavelength of 940nm, delivering accurate and stable detection performance. · Efficient Power Supply: Powered by DC 12V with low input current (Receiver 15mA, Transmitter 30mA), providing energy-efficient operation. · Compact and Practical Design: Features a half egg-shaped design with dimensions approximately 76 x 49.2 x 21.6mm, allowing easy and discreet installation. · Weather-Resistant Performance: Detection range may reduce to 30% in adverse weather conditions such as fog, rain, or dust, ensuring continued functionality in various environments. · Wide Operating Temperature: Functions reliably within a temperature range of -10℃ to 70℃, suitable for indoor and outdoor use. · Relay Output: Equipped with a relay output rated at 1A max 30V, offering constant open/close control configurable via jumper wire for flexible integration. Specifications: · Condition: 100% New · Color: Black · Shell Material: Plastic · Receiver Range: Up to 20 meters · Infrared Frequency: 1.92kHz · Wavelength: 940nm · Voltage: DC 12V · Input Current: RX 15mA, TX 30mA · Operating Temperature: -10℃ to 70℃ · Relay Output: 1A max 30V, constant open/close (jumper wire adjustable) · Size (L x W x T): Approx. 76 x 49.2 x 21.6 mm (3 x 1.9 x 0.9 inches) · Package Weight: Approx. 130g Package Includes: · 1 x Transmitter · 1 x Receiver · 1 x Set of Accessories · 1 x User Manual This infrared detector set is a versatile and effective solution for enhancing security systems, offering easy installation and reliable performance in various environments. Ensure proper installation by mounting the detectors at the same level, with a minimum height of 20 cm and a distance of at least 2 meters between them for optimal detection sensitivity. Protect your property with this advanced infrared detection system designed for consistent and accurate intrusion alerts.