The TLR RM 2 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. 1,000 lumens; 200m beam; runs 1.5 hours; 3 hours on strobe Features push-button or remote pressure switch. Remote pressure switch exits at 90 providing improved wire routing options Safe off feature prevents accidental activation; saves batteries Engineered optic produces a concentrated beam with optimum peripheral illumination Securely attaches to long guns with MIL Standard 1913 Rails Packaged as a kit offering everything you need to mount to your long gun (remote pressure switch kit, key kit) Powered by two CR123A lithium batteries (included) IPX7; waterproof to 3 feet for 30 minutes 4.55 ; 4.55 oz. Product Specifications High Lumens: 1,000 Run Time: 1.50 hours Beam Distance: 200m Battery Type: CR123A Lithium Battery Quantity: 2 Length: 4.55" Weight: 4.55 oz Colors: Black