Streamlight ProTac Rail Mount LED Long Gun Light CR123A 60 Lumens Black. These Rifle Weapon Lights from the innovators at Streamlight feature professional grade lighting capabilities for jobs big or small. Take the worry out of seeing with the Streamlight 88059 Pro Tac Rail Mount strobe mode for signaling. The Streamlight ProTac Rail Mount uses either a remote switch with momentary/constant on operation or a standard push-button tail switch. Specifications for Streamlight ProTac Rail Mount 2 Long Gun Light: Manufacturer: Streamlight Light Output: 60 lumens 625 lumens Bulb Type: LED Battery Type: CR123A Color: Black Gun Model: Universal Beam Distance: 89 m 297 m Length: 5 in Weight: 5 oz Battery Life: 1.5 - 21 hours Battery Quantity: 2 Condition: New Gun Type: Rifle Mount Type: Picatinny Height: 1.5 in Fabric/Material: Aluminum Attachment Type: Picatinny Operating Temperature: -40 - 120 Fahrenheit Width: 1.2 in Features of Streamlight ProTac Rail Mount 2 Fixed-Mount Long Gun Light: C4 LED technology for extreme brightness Momentary/steady On-Off switch One handed snap-on & tighten interface keeps hands away from muzzle when attaching/detaching Securely fits a broad range of weapons Mounts directly to guns with MIL-STD-1913 (Picatinny) rails Extensively live-fire tested impact resistant construction IPX7 rated with the Standard button switch installed; waterproof to 1 meter for 30 minutes IPX4 rated with the Remote Pressure Switch installed Package Contents: Streamlight ProTac Rail Mount 2 Fixed-Mount Long Gun Light Streamlight ProTac Rail Mount LED Long Gun Light 88059: CR123A 60 Lumens Black