Classified by light source: LED flashlight, ordinary xenon lamp flashlight, HID flashlight, halogen lamp flashlight and other light source flashlight
According to materials: there are flashlights made of plastic, ABS resin, aluminum alloy, iron sheet, stainless steel, titanium metal and other materials.
According to the type of battery: ordinary battery (alkaline or Ni MH battery no.1-7), lithium battery, lead-acid battery, etc.
According to the power generation mode, there are battery type, hand power generation type and solar energy type.
Classified by use: outdoor use, household use, military police use, etc.