Seco-Larm E-964-D390Q Twin Photobeam Detector for interior or exterior use

Twin Photobeam Detector for interior or exterior use. Range: up to 390ft (120 meters) outdoor and 790ft (240 meters) indoor. Weatherproof, sunlight-filtering enclosure. Laser beam alignment system. 4 Programmable frequencies. 10~30 VAC/VDC.

• Built-in laser beam alignment system speeds accurate, reliable positioning
• Twin infrared beams provide reliable perimeter security, minimizing false alarms from falling leaves, birds, etc
• Lensed optics reinforce beam strength & provide excellent immunity to false alarms due to rain, snow, mist, etc
• Weatherproof, sunlight-filtering case for indoor & outdoor use
• Anti-frost system so that beam functions even in extreme conditions
• Automatic input power filtering with special noise rejection circuitry
• NC/NO alarm output
• N.C. tamper circuit included
• Non-polarized power inputs
• Quick, easy installation with built-in laser beam alignment system
• Interruption time adjustable for nearly all situations