Bullet_point: ['Anti-frost system with built-in heater so that beam functions even in extreme conditions', '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.', 'Quad infrared beams provide reliable perimeter security, minimizing false alarms from falling leaves, birds, etc.', 'Quick, easy installation with built-in laser beam and audible alignment system']

Products with this attribute (1 total)