Pro-V8 LED includes Pro-V8 lite head, alkaline batteries, flex arm and video housing handle mount S p e c i f i c a t i o n s Intensity ....... 15 watt high intensity Beam ....... 45° diffused spot Lamp ....... Three 5 watt LEDs Brightness ....... 510 lumens at peak Color Temp ....... 4500-5500K Daylight Batteries ....... 8 alkaline or NiMH "C" Burn Time ....... 10 hours maximum intensity Weight in air ....... 1.2kg (2.2lb) with batteries Size w/o handle ....... 8x17cm (3.1x6.7in) Depth Rating ....... 90m - 300 feet Light is the most important contribution to underwater video. The Pro-V8 LED is the easiest and most affordable way to add valuable light to your system. Three 5-watt LEDs are arranged behind a special optical lens to give an exceptionally even 45° beam completely free of hot spots. The color temperature is daylight balanced for warm, beautiful tones with or without color filter. Light output is the same over its entire 10 hour burn time, providing more than enough light for an entire week of diving from one set of 8 "C" cell alkaline or NiMH batteries.