Description:Description of gear function:**** Regular mode (high light, medium light, low light) Advanced mode (double-click): burst flash, slow flash, SOS(After any mode is turned on and turned on 3, pressing the switch again will directly turn off the switch)**** Three-speed adjustment, suitable for long, medium and short distances, and can also save energy**** 3 power indicator lights, better understand battery power**** Protection level: IP65 protection level, suitable for various occasions**** Waterproof rating: IP65**** Battery capacity: built-in 10000mAh special 21700 lithium battery 2**** Charging terminal: Type-C USB charging (5V charging)**** Charging time: 6.5h**** Use time: strong light 10h, medium light 12.8h, low light 74h; burst flashing 15.5h, slow flashing 10.8h (the above data test results, the actual use shall prevail)**** Lamp bead model: LED T6*2Package 1: Front lightPacking 2: Front light + jewel tail lightPackage 3: Front light + T06 tail light