Convoy M21J 21700 flashlight

Material: aluminum alloy Low voltage warning: automatic power off Reverse polarity protection:YES High temperature protection: YES,When the temperature on the drive board reaches 55 degrees Celsius, the current will slowly drop, but the naked eye cannot detect the drop in brightness, which will not cause a psychological gap. Lens Type: 50mm 3degree TIR lens Charging: no charging port Switch position: side button for switching modes and tail button for ON/OFF,forward switch in the tail Mode memory: yes Tail stand: yes Battery included or not: not included Battery type required: 2*21700 batteries (can bear 10A current) Luminous flux: maximum 5000-8000LM ,theoretical LED output value, the actual light output is lossy, for reference only Output current: 20.5A Modes: 1%-10%-35%-100%, double clicks ---> strobe Head diameter: 55mm Battery tubediameter: 28mm Flashlight length: 223mm Product weight: 274g Weight with box: 355g