Supply Voltage DC :10.5 - 28V Current Consumption :55 mA Max. Temperature Range :-25°C - 55°C Dimensions (H X W X D) :171 X 82 X 77 mm Indoor Protection Distance : 60 m Outdoor Protection Distance: 180 m Max. Arrival Distance :650 m Infrared Beam:2 Beams Detection System :Simultaneous cut-off of 2 beams Light Source: Infrared LED Response Time: 50-700 m/sec Alarm Signal :Form ‘C’ (SPDT) relay contacts Tamper Range :Form ‘B’ (SPST) relay contacts Optical Axis Adjustable Angle (Horizontal): 180° (±90°) Optical Axis Adjustable Angle (Vertical): 20° (±10°) Collimator :Viewfinder with peep window Measure for Moisture/Frost :Sit type cover Other Additional Functions:Alignment LED and Monitor Jack Material :ABS Plast