The Streamlight ProTax HL 5-X USB Rechargeable Light delivers up to 3,500 lm and features a TEN-TAP programmable switch that allows users to to select from high/strobe/low, high only or low/medium/high. The HL 5-X is made from 6000 series machined aircraft aluminum with an anodized finish, and has a 'sure grip' leather sleeve to improve grip. The light also features a multi-function, push-button tactical tail switch that allows one-handed operation. The light includes two 18650 lithium ion batteries with an integrated micro USB charging port and charge cord. The ProTac HL 5-X is also available with four CR123A batteries.