Commonly referred to as Xenon these powerful lights are actually Metal Halide. The name XENIDE® (zee-nide) is derived from the words Xenon, an inert gas with cleansing properties and Metal Halide salts added in the arc chamber that vaporize when charged to create the light plasma.AE Xenide™ 25W HID FlashlightSpecifications: 25W 1500± lumens AE Xenide Run time *120 minutes 12 degree fixed spot Length * 13.5" Weight 2lbs Features: Optimized reflector, with superior focus, and reflectivity resulting in better lumen transfer to the target and sharper crisper beam. Improved HID burner resulting in more lumens per watt. New "Patent Pending" lamp/ballast electrical circuit, resulting in less losses meaning more lumens per watt and allowing for closer connection shortening the length slightly. New "Patent Pending" on/off switch mounted behind the light head and forward of the body, resulting in better balance, and single hand operation. Light weight & short length. Narrow diameter hand grip for better hand fit. New ballast to battery connector with modular design for ease of replacement with longer run time battery. Improved shock resistance. AC charger with CE, UL, GS & PSE, certifications. IP65 rating for use in intrinsically safe environments (Pending certification). Optional XENIDE Colored Filter Set includes Amber, Blue, Diffuser, Green, Red & IR 850nm filters.Optional XENIDE Battery Charger Stand Allows you to charge an extra battery with the included AC adapter or optional DC adapter.