Crimson Trace LG-407 Laserguard Red Laser Sight for Taurus TCP Pistols POWERFUL RED LASER: Features a 5mW peak, 620-670nm, Class 3R visible red laser - the brighest beam allowed by law. INSTINCTIVE ACTIVATION: Front activation button engages the laser immediately when the firearm is held in a normal firing grip. This is the feature that sets Crimson Trace apart from the rest. OVER FOUR HOURS OF BATTERY LIFE: Powered by one 1/3N Battery (included). This product is eligible for Crimson Traces Free Batteries For Life Program. FITS Ruger TCP, 738 EASY INSTALLATION: User installed- no gunsmithing required. Factory sighted at 50 feet, but is fully user adjustable for Windage and Elevation with provided tool. Compact under-barrel laser sight for polymer framed pistols Instinctive activation; hard polymer, rubber overmolded front activation Fully adjustable for windage and elevation No modifications required for installation Made in the USA Class 3R output 5mw