6.25 in. made of unbreakable chemical resistant resin with a polycarbonate lens and thermoplastic rubber shroud. Xenon bulb has 20 hours of lamp life and 8000 candlepower. Has a pre-focused Xenon Laser SpotTM lamp module, shirt clip and 2-AA Alkaline batteries for 3 hours at 50 degrees. MityLite Plus 2AA has a tail button switch with one push for on/off or intermittent lighting.