V9 57w Canbus 12500 Lumen Led Canbus Headlight Se t- H4

Power: The power consumption of the LED bulb, typically measured in watts (W). In this case, it's 57 watts.

Lumens: A measure of the total quantity of visible light emitted by a source per unit of time, often referred to as brightness. "12500 per set" likely means each bulb produces 6250 lumens, so for a pair of bulbs, you'd have a total of 12500 lumens.

Voltage: The electrical potential difference, typically measured in volts (V), required to operate the LED bulb. Here, it operates at 12 volts, which is common for automotive applications.

Kelvin: The color temperature of the light emitted by the LED bulb, measured in Kelvin (K). A higher Kelvin value generally indicates a bluer, cooler light. In this case, the color temperature is 6000K, which is a cool white light often preferred for automotive applications.

Fan-driven cooling: LED bulbs can generate heat, and a fan-driven cooling system helps dissipate that heat to maintain optimal performance and longevity.

Canbus driver: This refers to a type of electronic device used in vehicles with a Controller Area Network (CAN) bus system. It helps prevent errors or warnings in the vehicle's computer system that can occur when installing LED bulbs, particularly if they draw less power than traditional halogen bulbs.

These specifications suggest a high-output, cool white LED headlight bulb designed for use in vehicles operating on a 12-volt electrical system.

What's in the box
1 x set H4 leds