JE-960-DXXQ Dual Photoelectric Beam Indoor/Outdoor Intrusion Detector 

• Built-in laser beam alignment system speeds accurate, reliable positioning
• Range: JE-960-D90Q - 190 Ft. (60M) Indoor, 90 Ft. (30M) Outdoor;
               JE-960-D190Q - 390 Ft. (120M) Indoor, 190 Ft. (60M) Outdoor
• 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