The Underwater Kinetics Super Q eLED is the smallest light in the Underwater Kinetics secondary dive light category. When UK originally released the Super Q in 1974, it revolutionized handheld lighting forever. With the technology getting better and better each year, this powerful and compact light just keeps improving. USB rechargeable, with advanced technology to improve runtime, and improved cold water performance, the Super Q eLED rechargeable flashlight is perfect for diving, extreme sports, and everyday emergencies.