M-LOKA(R), KEYMOD & PICATINNY ANGLED FORE GRIP WITH LIGHT. Innovative M-Lok flush mount design - The RIG ON/OFF switch can be swapped from the right to the left side prior to installation. It can also be swapped out for the remote switch to add even more customizable options. This quick adjustment is optimized for end-user preference. Optional 5" remote switch and cable included. Variable Dimming feature - To get a desired brightness, press and hold the + or - buttons to increase or decrease brightness levels. (2) Removable Li-Ion Rechargeable batteries included - 1 hour of runtime - Rechargeable battery can be changed without removing it from the RIG or firearm. Mfg: Crimson Trace Corporation