• A lumens test rates the total amount of light emitted from a flashlight in all directions.
• In the most basic sense, a lumen rating measures the amount of light emitted by a source on the inside of a sphere.

• The lifespan of the flashlight's battery is the unit of inspection for battery life.
• The flashlight's brightness after a certain amount of time has passed, or the "Discharge Time," is best depicted graphically.

• The flashlight is left inside a chamber that can simulate varying temperatures for an extended period to observe any ill effects.
• The temperature outside must not rise above 48 degrees Celsius.

The IPX rating system is used to quantify water resistance:

• Battery Test: Verifies milliampere-hours capacity of the built-in cells.
• Button Test: The critical life testing machine is programmed to press buttons at various speeds to ensure reliable performance.

• Established Year: 2014, with 12 years experience
• Main Products: headlamp, camping lantern, flashlight, work light, solar garden light, bicycle light etc.
• Main Markets: the United States, South Korea, Japan, Israel, Poland, Czech Republic, Germany, the United Kingdom, France, Italy, Chile, Argentina, etc.

• Injection Molding Workshop: 700m², 4 injection molding machines
• Assembly Workshop: 700m², 2 assembly lines
• Packaging Workshop: 700m², 4 packaging lines, 2 high frequency plastic welding machines, 1 two-color shuttle oil pad printing machine