The As Seen on TV Bell and Howell Taclight – High Powered Tactical Flashlight is made from aircraft-grade aluminum and can withstand extremes of temperatures, from freezing to boiling. It is water-proof and shock resistant Modes: high brightness; Medium brightness; low brightness; Strobe (intermitent flashing); sos (emergency signal) Functional: taclight has built-in zoom function and high-powered bulbs are 40X brighter than your regular flashlight (2 nautical mile visibility) Portable: 5.4 inches L x 1.6 inches width. Taclight is small enough to fit in your pocket, handbag, or car compartment, so you can take it with you wherever, whenver Energy-efficient despite the high-powered functionality taclight is environment-friendly and cost-efficient. Bulbs last more than 100,000 hours.