The BRITELITE has a high quality aluminium body finished in black. It’s very lightweight and perfect for everyday carry. It measures about 10.4cm in length and is about 3.35cm in diameter. The BRITELITE houses a single high power Cree 3W LED and is powered by 3xAAA batteries. Easy to use Powerful Projecting LED Beam Pushbutton tailcap switch Compact, Pocket Size Design Power output: 3W Material: Aluminum Size: 3.35(D) x 10.4(L) Bulb: CREE 3W Battery: 3xAAA (not included) Focus function Change to 100% light, 50% light or flash by double pressing push button. CE, ROHS approved