300 Yard Green Flashlight Tactical Night Hunting Light for Torch Pressure Switch Green Light for Rifle W/1'' Offset Mount Material: 6061T Aluminium, brand new, high quality Powered by: 1 x 3.7V 18650 battery or 2x CR123A(battery is not included) Two switch mode:Toggle pressure switch/Tactical Switch Come with 20mm rail mount & A 45 offset mount