Twin Photobeam Detector - Outdoor Range: 290'

Description

• Twin beams provide reliable perimeter security, minimizing false alarms from falling leaves, birds, etc.
• Lensed optics reinforce beam strength and provide excellent immunity to false alarms due to rain, snow, mist, etc.
• Weatherproof, sunlight-filtering case for indoor and outdoor use.
• Anti-frost system so that beam functions even in extreme conditions.
• Automatic input power filtering with special noise rejection circuitry. N.C./N.O. alarm output.
• N.C. tamper circuit included.
• Non-polarized power inputs.
• Interruption time adjustable for nearly all situations.