Seco-Larm E-964-D390Q Twin Photobeam Multi-Frequency Detectors with Laser Beam Alignment, 390ft (120m) Outdoors, 790ft (240m) Indoors Also known as: E964D390Q, SL-E964D390Q The ENFORCER Long Range Photobeam Detectors are easy-to-install with laser beam alignment and provide extended range. Designed to provide reliable perimeter security both indoors and outdoors. With the new E-964-D390Q, four selectable beam frequencies reduce interference between multiple units for enhanced perimeter protection. |
Features:
- 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.
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