Cyclops Poseidon Headlamp Lumens Gray. The 2000 lumen LED bulb on these Headlamps by CrossFire produce a beam that can travel up to 218 yards which makes this an excellent choice for your home business or campsite. This Crossfire 2000 Lumen Poseidon Headlamp is also waterproof so you can get it wet or rainy and use it anywhere you go without worrying about damage. The high-quality construction and superb craftsmanship of the CrossFire Poseidon Rechargeable Headlamp will light the way wherever you take it. Specifications for Cyclops Poseidon Headlamp: Manufacturer: Cyclops Color: Gray Light Output: 2000 lumens Package Contents: Cyclops Poseidon Headlamp Cyclops Poseidon Headlamp 2000 Lumens Gray CYC-HLP2000