BlackWater 800  Dual Beam Head  3 lights levels 10w, 15w, 25w  Burn times are: 6hrs@5w, 3:20hrs@10w, 2:20hrs@15w,  1:15hrs@10+15w  1.8lbs. air wt., 1/2lb negative in water  Rechargeable 6 volt 4.5 Ahr NiCad battery  Heavy-duty belt clip for mounting on tank strap, or cummerbund  Optional battery saving dimmer switch available  Plug-N-Forget Charging  Certified to 500ffw