LASER PRO Green Rechargeable CR2 Laser Sight for Taurus G2 G2C G2S G3 G3c G3X G2X 'GX4 Carry' TX22 Compact Guns & Pistols w/ Rail - Rechargeable, magnetic USB cord and AC adapter included Does NOT fit pistols and guns wtihout a rail. Extremely bright 520nm Green Laser Green laser sight is brighter than red especially for daytime use. FDA Class IIIa Laser Product (Does not exceed Class IIIa emission limits. Complies with all FDA Class IIIa regulations), less than 5mW power output. Long-Range Laser Sight: Up to 100 yard daylight range and over 2 miles at night.