Streamlight's microstream is so small, you can keep it in your pocket or clip it to a cap for hands-free lighting.It is made from abrasion and corrosion-resistant anodized aluminum with an unbreakable lens, c4 led bulb, and a push button tail switch.Included is one (1) aaa alkaline battery and a removable pocket/hat clip.Material: AluminumType: FlashlightOutput: 45 LumensBulb Type: C4 LEDBody Diameter: .6"Oal: 3.50"Weight: 1.04 ozBattery: AAAProofs: Weather Resistant, Impact ResistantColor: Black AnodizedHead Diameter: 0.60"Rechargeable: NoFilter Color: WhiteSwitch Type: Push Button