CED M2 Chronograph, Infrared Screen Set

Infrared Screen Set, CED M2 Chronograph, With incredible accuracy, the Patented Infrared Screen Set eliminates the need for sunlight when using the CED M2 or the original CED Millennium Chronograph systems, and gives you the freedom to record velocities under any lighting condition, or if you choose, no light at all! Connects to the standard sensors that come with both systems, and uses its own AC power source or optional NiMH battery pack. The Infrared Screen Set includes Infrared Screens, side-arms, AC Adapter, and instructions.