• 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