This light is the rechargeable version of the 3610 light. The 3660 uses a long-life NiMH battery pack for extended burn time. It comes with a charger base unit that can be installed at home or work using the 110V transformer. You can also use this in a vehicle through direct wiring or 12V plug-in adapter.
•Tested Lumen Value: 28.0
•Batteries: 4 AA NiMH (Included)
•Battery Burn Time: 32 hours
•Length: 7.51
•Weight: 7.04
•FM Rating Class 1/Division 2