Red Green Blue Laser Sight USB Rechargeable For Glock 17 19 20 Taurus G2C G3 G3C Note: applicable to 20mm guide rail. Specifications: Name: L8 lower hanging laser sight Model: L8-B Red/Blue/Green Laser Sight Material: plastic+metal Color: black Net weight: 35g Clip: 20mm Dimensions: 55x42x30mm Battery: Built-in rechargeable lithium battery, USB charging Laser wavelength: 405-450nm Laser level: IIIa, Output: < 5mW Laser spot size: 30-40mm Operating temperature range of laser: -10 to +55 Models Guide: For Glock 17 19: Models with accessory rails For Springfield: Subcompact, compact and full size For Smith & Wesson: Model with accessory rails, like M&P and SD series but not SW series For Sig Sauer: Models with accessory rails For Beretta: PX4 Storm For Walther: PPQ, P99, PPS, PPX, PK380 For Taurus G2C G3C: Models with accessory rails, including millennium For Heckler & Koch: SFP9, SFP9M, P30/P30S For Bersa: Thunder Pro Series Package includes: 1* laser 1* wrench 1* instructions 1* charging cable Note: applicable to 20mm guide rail. Specifications: Name: L8 lower hanging laser sight Model: L8-B Red/Blue/Green Laser Sight Material: plastic+metal