The protac is small enough to carry in a pocket lightweight yet extremely bright.The ten-tap programming allows the user to select one of three modes of operation: 1- high/strobe/low 2- high only 3- low/high.It is constructed of aluminum with an anodized finish o-ring sealed glass lens and anti-roll facecap.Included are two aa alakine batteries holster and a removable pocket clip.Material: AluminumType: FlashlightOutput: 250/18 LumensBulb Type: C4 LEDBody Diameter: .65"Oal: 6.14"Weight: 3.4 ozBattery: AAProofs: Water Impact ResistantColor: CoyoteHead Diameter: 0.90"Rechargeable: NoFilter Color: WhiteSwitch Type: Tailcap