|  | 10 to 30V dc, at less than 50mA | 
  |  | Less than 2 millisecond output response time | 
  |  | 0.5 millisecond repeatability | 
  |  | Light/dark operate select switch, and multi-turn sensitivity control on
    top of sensor, allows precise sensitivity setting. | 
  |  | LED indicators, Power (green), Signal (red), Load (yellow) | 
  |  | Molded thermoplastic polyester housing, o-ring sealed tranparent Lexan top
    cover, molded acrylic lenses, and stainless steel hardware | 
  |  | NEMA 6P, IEC IP67 Environmental Rating | 
  |  | Class II LASER produce. US Safety Standards 21 CFR 1040.10 and 1040.11 | 
  |  | -10 to +40 C operating Temperature |