"An optimal blend of throw and spill, the Inforce Wild1 Weapon Integrated Lighting Device provides a concentrated hot spot and convenient paddle activation. It throws 500 lumens out to 462', and the peak beam intensity can reach up to 5,000 Candela. Constant and Momentary functions can be activated by pressing laterally on either the left or right paddle. 6061-T6 aluminum with a Type III MIL-SPEC hard anodized finish stands up to hard use in the field, and it's fully waterproof to 66' for good measure. This gun light attaches to any 1913 or universal rail securely. Powered by a 123a lithium battery (included) for up to 2 hours. Length: 2.53"". Bezel Dia.: .95"". Weight: 2.9 oz.Manufacturer model #: IF71000. Convenient paddle activation 500 lumens reach out to 462' Peak beam intensity reaches up to 5,000 Candela Constant and Momentary functions 6061-T6 aluminum with a Type III MIL-SPEC hard anodized finish Waterproof to 66' Attaches to any 1913 or universal rail Includes 123a lithium battery"