ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Taurus 809C/840C Black. ArmaLaser designed these Green Laser Sights with 2 options for activation: the FLX switch for intuitive instant activation and the switch on the GTO that you can access with your index finger. The master on/off switch on the ArmaLaser GTO/FLX Red Laser Sight lets you turn it off to use BUIS or other optics. Customize your Taurus handgun with the ArmaLaser GTO/FLX Finger Touch Polymer Green Laser Sight. Specifications for ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Taurus Handguns: Manufacturer: ArmaLaser Color: Black Beam Color: Green Laser Output: 4 mW Wavelength: 520 nm Maximum Range: 50 ft Attachment Type: Weaver Picatinny Battery Type: 357 CR1/3N Lithium Battery Life: Up to 2.3 hours Battery Quantity: 2 Gun Make: Taurus Fabric/Material: Zytel FRN Polymer Condition: New Mount Type: Weaver Features of ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Taurus Handguns Grip-Touch Activation by using FLX Side-Touch Activation without FLX Ultra-bright Class 3R 520nm Package Contents: ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Taurus Handguns What firearm models does the manufacturer say ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Taurus Handguns is compatible with? The manufacturer suggests that ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Taurus Handguns is compatible with Taurus PT24/7 5.25in Taurus PT24/7 4.25in Taurus PT140 Millennium G2 Taurus PT111 Millennium G2 Taurus PT145 Millennium Pro Taurus PT24/7 Gen 2 4.2in Taurus PT840 Compact Taurus PT840 Taurus PT845 Taurus PT92AF Taurus PT92ArmaLaser GTOGFLX27: GTO/FLX Finger Touch Green Laser Sight for Taurus 809C/840C Black