WADSN NGAL Red & Green Laser Aiming Devices

WADSN NGAL Red & Green Laser Aiming Devices Polymer Construction Powered by 1pcs CR123A or 16340 Function: Red Laser/ Green Laser Laser can be adjusted The brightness of laser can be adjusted Fit to Mount on 20mm Picatinny Rail Handguard Main knob change to the function, function knob can not work, the remote switch only work when the main knob turn on