Ikelite Gamma II Waterproof Dive Light, 6500K Color Temperature, 350 Lumens, Silver Ikelite Gamma II Waterproof Dive Light - 2x CR123 Batteries - Wrist Lanyard with Cord Lock - Silicone Lubricant 1cc Tube - Ikelite 1 Year Limited Warranty Depth Rating: 400' / 121.92m Light Source: LED Light Output: 350 lumens Beam Angle: 10 deg. 30 deg. with optional diffuser M27 (Approx.)