The Streamlight TLR-7 Sub Ultra-Compact Weaponlight is designed to enhance visibility and targeting capability in home defense and tactical situations. Designed for sub-compact handguns. these Gun Mounted Flashlights feature a rail clamp system that securely attaches and detaches the light quickly and safely without the need for tools and or putting your hands in front of the muzzle. The Streamlight TLR-7 Sub Ultra-Compact LED Tactical Weapon Light securely attaches to the Springfield Armory Hellcat, as well as a variety of other popular handguns. Specifications for Streamlight TLR-7 Sub Ultra-Compact LED Tactical Weapon Light: Manufacturer: Streamlight Light Output: 500 lumens Bulb Type: LED Battery Type: CR123A Beam Color: White Color: Black Beam Distance: 141 m Length: 2.58 in Weight: 2.4 oz Battery Life: 1.5 hours Weather Resistance: Chemical Resistant Finish: Anodized Lens Material: Borofloat High Temperature Glass Package Type: Box Battery Quantity: 1 Condition: New Width: 1.16 in Water Resistance Level: IPX-7 Attachment/Mount Type: Rail Height: 1.24 in Fabric/Material: 6000 Series Machined Aircraft Aluminum Features of Streamlight TLR-7 Sub Ultra-Compact LED Tactical Weapon Light: Ambidextrous rear paddle switches Uses one CR123A lithium battery (included) Safe-off feature prevents accidental activation; saves batteries Rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle Durable construction User-enabled strobe function Package Contents: Streamlight TLR-7 Sub Ultra-Compact LED Tactical Weapon Light CR123A Lithium Battery Mounting Kit with Key