Bullet_point: ['Anti-frost system so that beam functions even in extreme conditions', 'Automatic input power filtering with special noise rejection circuitry', 'Built-in laser beam alignment system speeds accurate, reliable positioning', 'Lensed optics reinforce beam strength & provide excellent immunity to false alarms due to rain, snow, mist, etc.', 'Seco-Larm E-964-D390Q', 'Twin infrared beams provide reliable perimeter security, minimizing false alarms from falling leaves, birds, etc.']

Products with this attribute (1 total)