Streamlight ProTac 2.0 Rail Mount Weapon Light w/ Light Only Black. 0 Rail Mount produces 2000 lumens without sacrificing run time. Powered by the new SL-B50 battery pack that charges inside or outside of the light using a USB-C cord - no need to remove from your weapon. Specifications for Streamlight ProTac 2.0 LED Rail Mount Weapon Light w/ Light Only: Manufacturer: Streamlight Light Output: 2000 lumens Bulb Type: LED Battery Type: Lithium Ion Beam Color: White Color: Black Gun Model: Universal Beam Distance: 141 m Length: 2.51 in Weight: 8.25 oz Battery Life: 2.5 hours Weather Resistance: Yes Finish: Anodized Condition: New Gun Type: Rifle Mount Type: Rail Fabric/Material: Aluminum Features of Streamlight ProTac 2.0 LED Rail Mount Weapon Light w/ Light Only 2000 lumens and 266 meter beam on High mode Package Contents: Streamlight ProTac 2.0 LED Rail Mount Weapon Light w/ Light Only Streamlight 89003: ProTac 2.0 Rail Mount Weapon Light w/ Light Only Black