CF1800P II Li ion Rechargeable Battery Changeable Focus LED Light. Continuing the sucess of our popular focusable CF1200P II, this powerful elder brother delivers a stunning 1800 lumens brightness with a changeable focus, from a wide and even light beam at 37 degree to a concentrated hot spot at 7 degree. Twist the front to change the focus continuously. The sleek and ultra-compact aluminum body can withstand the most rugged diving situation. It offers 6,500K sun white light output. 4 levels of brightness and SOS controlled by a reliable push button with battery indicator which can be one hand operation. The rechargeable 26650 battery pack comes with a smart charger, enabling you to quick-charge the battery pack in 2-3 hours. The 4 steps power adjustment lets you choose between four output levels, IV at 100%, III at 50%, II at 25% or I at 10%, extending the burn time and reducing reflections at close range. Replaceable 26650 battery. Lanyard included.