• 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

Upon obtaining damaged items during purchase, the customer may receive another item in exchange