Brightness refers to the energy set of light at all angles emitted by the flashlight source.
Refers to the distance of the illuminant from the hand ionization device when the beam is 0.25 Lux(lux).
The USB charger refers to a rechargeable device that is currently equipped with a USB interface.
Testing and expressing the product's water resistance.
Refers to the time elapsed from the initial output value of light to the output value of light falling to 10% of the initial output value.
The degree of damage resistance that can be achieved by a flashlight when the flashlight falls onto a solid surface.
Use a strong wick for up to 500 lumens