Streamlight TLR RM 1 Laser Rail Mounted Tact Lighting SystemThe TLR RM 1 Laser features independently operating push button and remote pressure switches 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. It shines a 500 lumens with a 140m beam an runs 1. 5 hours (LED only or LED Laser), 60 hours (Laser only), and 3 hours (strobe). It features a white LED illuminator and integrated 640 660nm red laser with a mode selector toggle