The low-profile TLR RM 2 features independently operating push-button and remote pressure switcheTLR Dual Remote Switch - Accessory switch allows for simultaneous or individual activation of the Streamlight TLR-1 & 2 Series weapon l ights (sold separately) and accompanying external aiming devices to provide the security of knowing you'll always have light.Packaged as a kit offering everything you need to mount to your long gun.#69450 - TLR RM 2 - Includes rail locating keys, tail cap switch, remote pressure switch, mounting clips & two lithium batteries - Box Mfg: Streamlight