ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Glock 29/30 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 Glock with the ArmaLaser GTO/FLX Finger Touch Polymer Green Laser Sight. Specifications for ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Glock Handguns: Manufacturer: ArmaLaser Color: Black Beam Color: Green Laser Output: 5 mW Wavelength: 520 nm Maximum Range: 50 ft Attachment Type: Weaver Picatinny Battery Type: 357 Lithium CR1/3N Battery Life: Up to 2.3 hours Battery Quantity: 2 Gun Make: Glock Gun Model: Glock 30 Glock 29 Fabric/Material: Zytel FRN Polymer Condition: New Mount Type: Weaver Features of ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Glock 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 Glock Handguns What firearm models does the manufacturer say ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Glock Handguns is compatible with? The manufacturer says that ArmaLaser GTO/FLX Finger Touch Green Laser Sight for Glock Handguns is compatible with Glock 29 Glock 30ArmaLaser GTOGFLX19: GTO/FLX Finger Touch Green Laser Sight for Glock 29/30 Black