Purchased Amber Aviator. Very pleased with design, fit and finish, size, quality of every part, and fast and secure shipping by SureFIre.The size of a single 123A cell with the pure white beam output of a 2 cell light. Amber color tint is accurate. Runtime is Superb. The innovation of these new 2017 model Surefire flashligts really shine through. The TIR focused beam is smooth and artifact-free. The selection of LED is perfect.This new Aviator® model is innovative and of the highest SureFIre® quality. I would not hesitate to trust my life with this light!