Hx4, 80 lumens, dual color, white & red cob clip light, polymer construction, lightweight & water proof, cob generates 85 lumens for 3 hours on high & 35 lumens for 13 hours on low, sure grip rotation of light head for quick aiming of cob, 180 degree head rotation to allow proper aiming in any clipped position, ipx4 rating, easy access on/off switch, quick clip attachment, uses 2 "aaa" batteries.