Convoy S21D 21700 LED Flashlight with Quad TIR Lens 519A 8groups 2500LM Torch Lighter for Hiking Self-defense Search HuntingConvoy S21D 21700 LED Flashlight with Quad TIR Lens 519A 8groups 2500LM Torch Lighter for Hiking Self-defense Search Hunting
Price: 8A CC driver, constant current buck driver, As long as the battery voltage is greater than the LED VF value, the driver still maintains a high current output.In addition,
