Competition Electronics Indoor Light System. Uses infrared LED technology to eliminate the need for light bulbs. Simply attach to the chronograph guide wires and plug in the power source and you are ready to go. Specifications for Competition Electronics Indoor Light: Manufacturer: Competition Electronics Color: White Additional Features: 100-240volts AC 50-60Hz Adapter Input Light Arc Input/Adapter Output of 24 VDC 200mA Features of Competition Electronics Indoor Light: Adapter input - 120 VAC 60Hz Light Arc Input/Adapter Output - 24 VDC 200mA Power Consumption - Approx 200mA (100 mA per arc) Portable and quick setup Works with all Prochrono models Package Contents: Competition Electronics Indoor Light Competition Electronics CEI-4100: Indoor Light System