Same features as the 2640 but with a larger, commercial duty battery pack that clips to your belt. The 2660 is powered by 4 D alkaline cells for up to 400 hours of continuous light. It comes with a rubber strap for hard hat use and an adjustable cloth strap for bare head. The HeadsUp Lite 2660 is in it for the long haul.
•Tested Lumen Value: 9.0 Low, 44.0 High
•Batteries: 4 D Alkaline (Not Included)
•Battery Burn Time: 400 hours Low, 15hours High
•Length: 2.63
•Weight: 11.2 oz
Item discontinued, limited quantities available.