5 MODE led TORCH -BODY :: High-power: taclight is made from air-craft 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) # ADJUSTABLE FOCUS: Intense Spotlight Focus for long range observation Circle Floodlight focus for large area illumination # POWERE SOURCE: 1pc 18650 Lithium-ion Battery (included) or 3pcs AAA Battery (not included) # 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 you want.