CSP CANBUS 12V: Solve the module program error after installing LED (some cars don't light up, or flash, one side doesn't light up, or the instrument display is wrong). 90% of the car errors on the market can be solved! However, it is not suitable for high-end cars of German brands, such as: B@B @ A@v @O (brand name cannot be used in full) if you have any doubts, please consult customer service before purchasing! thank you! CSP NO CANBUS 12V: It is applicable to general 9-16V vehicles (both conventional vehicles and DC 9-16V vehicles can be used). Descriptions: Power: 120W/set Actual current: 2.5 0.3a Effective power: 305W/unit Chips : CSP 1860 Chips Luminous flux: 20000LM/set Working voltage: dc 9-16V (suitable for 12V vehicles) IP67 waterproof and dustproof grade, beam Angle 360 degrees Materials: aviation 6063 aluminum profiles Operating temperature: -40-150 Service life over 50,000 hours Application: headlamp, fog lamp Color Temperature: Yellow Gold 3000K; White Yellow 4300K; Cool White 6000K; Blue White 8000K Features: Size: minimum size, suitable for most cars Beam: lines and beams in spotlights are well shaped Chip: CSP chip, high quality, long life; Rivet fixed (many other car headlight chips are screwed in, which can fall off easily.) Material: metal material, more luxurious, longer service life Clip slot: a sturdy metal clip that can be rotated 360 degrees to adjust the beam Adapters: external adapters extend service life and plug and play, Fan: high speed 12000rpm to provide better cooling and longer working time Waterproofing: good sealing, waterproofing grade up to IP 68 Package Included: 2 x LED headlight bulbs