Product guarantee: 100% brand new product 100% original factory production Provide 1 year original factory warranty service Product information: LED Chip: 7035 Chip Power : 6010W/Pair Operating Voltage : DC 12V Operating Temperature: -40degC ~ +80degC Color Temperature : 4300K/6000K Design: Fanle SystemLifespan: >50000hrs Heat Diipation Theory : Aviation aluminum 6063 The actual power is 90% of the theoretical power All the LEDs we sell have a temperature adjustment function. As the temperature of the bulb rises, the power will drop to a certain level. This is a normal phenomenon and will help the bulb to prolong its service life. The power provided in the data is laboratory data and does not represent the power after long-term work. Products include: A pair of LED bulbs An English manual