It carries more approvals than any other flashlight on the market today, making it safe for any hazardous environment or condition.It is o ring sealed with a twist-on shroud and comes with a polarity battery guard tray that safeguards against dangerous "outgassing" of hydrogen from an accidentally reversed cell.It is powered by 3 C alkaline cells, submersible to 500 feet, and has an ABS resin body which resists chemicals, corrosion, and extreme temperatures. Unlike ordinary flashlights that produce a yellow beam, the Sabre Lite's incredibly bright Xenon lamp produces a powerful collimated white beam.