INTRODUCTION:Newest Funtion Inteiror light bulbs Dual Color SwitchbackFlexible switching of interior lighting environments, reducing the number of replacements save costs.Color Option 1: 6500K Cool White& 5000K Natural White;Color Option 2: 6500K Cool White& Ice Blue;Dual color 1860CSP LED light source, extremely brightness output.400% brighter than halogen bulbs;Wide voltage DC10-30V stable current resistance protection reduce light decay.Built-in CANBUS error free no dashboard error or flickering.No-Polar sensitive 1:1 original size plug and play.Longer LifespanFull aluminum body design for quicker heat dissipation.Extends lifespan to 50,000 hrs.Installation PositionFor Interior Map Lights, Dome Light, License Plate Light, Front/Rear Side Marker Lights, Trunk Cargo Lights, Reading Lights, Glove Box Lights, Inner Tail Light Bulb, etcPackage Included:2pcs* 41MM  LED BulbsSPECIFICATIONS:Color: 6500K Cool White& Ice BluePlug Type: 41MMLED Type: 1860CSPEfficacy(per bulb): 2.7WLED Quantity(per bulb): 2pcsLumen(per bulb): 200LM 300LM 400LM 500LMCurrent Draw: 0.22 AOperating Voltage: DC10-30VMaterial: Aviation 6063 AluminumLED Lifetime: 50000 hoursWaterproof: IP68