Crimson Trace RIG Rapid Illumination Grip w/ LED Light, Rechargeable Lithium Battery, White, 400 lumens, Black, 01-01720

It is completely ambidextrous and can be mounted to M-LOK or Picatinny rails. The RIG comes with two rechargeable batteries that each last for 1 hour at peak lumen output and output can be adjusted with left- and right-side buttons. The RIG also includes an optional remote switch.