Structure of SMD3020 CANBUS auto LED bulb: SMD3020 LED chip; Aluminum heat sink body; Built-in intelligent driver; Original standard plug; Double sides aluminum PCB-side SMD3020 LED Chip: Top quality SMD3020 LED chip; SMD3020: 1W/pcs, 115lm/W Double sides aluminum PCB: Thin PCS for better lighting pattern; High heat-conduction, much better than normal glass fiber board PCB; Good electrical insulation performance and high mechanical strength. ALUMINUM BODY: Aviation level aluminum alloy; Precise CNC machining, excellent heat-conduction; Large heat sink surface area, superior cooling performance. Driver: High power(25W)&currant(2A) for strong CANBUS function; Stable and efficient; Constant current, non-polarity; High quality SMD components. Socket: Brand new design cooling hole for strong CANBUS function; Original adapter, standard and small, high strength, high insulation, anti-corrosion; Wider and strong polarity pin; PA66+GF15 Plastic material, anti 200℃ high temperature; Plug and Play. Lighting: Available color: white/amber/red; High lumen: 2000LM/white, 1500LM/amber, 660LM/red; Beam angle: 360°; Good lighting pattern. Testing: We have integrating sphere tester and other professional testing machines; All products in the order will be tested before ship out. Installation: Easy installing, plug and play, fits for almost all cars; CAN connect an extra resistor If have canbus problem, like error on dash board, fickler, etc. Warranty: Take video of the problem to replace new or refund. Package: Blister package: elegant, blister is sealed with high frequency plastic welding machine; Box; package: supereme, high-end; Customized package is accepted. Welcome to inquiry BULBTEK auto LED bulb, LED headlight bulb.