Handheld flashlight is a portable lighting tool. It usually consists of a housing, a light source and a power supply. Handheld flashlights can be turned on and off by pressing a button or turning a switch. It features strong light output, portability, multiple modes, and durability. Whether for outdoor activities or daily use, flashlights are very practical tools.

Handheld flashlight has the following functions:

1: The main function of a handheld flashlight is to provide portable lighting. It can emit bright light in dark or dim environments to help users see their surroundings clearly. Flashlights are widely used in outdoor activities, camping, emergencies and personal safety.

2: Portability: The flashlight is designed to be compact and lightweight, making it easy to carry. They can often fit into a pocket, backpack, or vehicle, making them easy to carry with you.

3: Strong light output: Modern handheld flashlights usually use LED light sources, which have high brightness and long life. They provide bright and long-lasting lighting.

4: Energy selection: The flashlight can use different types of batteries as power source, such as dry batteries, rechargeable batteries or lithium-ion batteries. Some models also support solar charging.

5: Multiple modes: Some flashlights have multiple lighting modes, such as high brightness, low brightness, flashing and SOS signal. These modes can be switched as needed.

6: Durability: Flashlights typically have rugged housings that can withstand water, shock, and drops.