The blue Sector 7 LED Underwater Spotlight from Princeton Tec uses 8 C-cell batteries to provide 30 hours of 700 lumens of light. The pistol grip and trigger switch are designed for use with gloved or ungloved hands, and the trigger can be locked to prevent accidental activation. Power settings allow momentary light or constant for when sustained illumination is needed. The light is waterproof up to 100m.
Waterproof up to the IPX8 standard depth of 100 m
Can be manually turned on or set to stay on constant