1. Specifications LED: Each bulb has an individual 3030 3SMD LED chip for light output and longer lifespan Working voltage: 12V Size: 0.67' x 0.19' (17mm x 4.8mm) Color: White 6000K Light characteristics: 6000K bright white light for interior illumination 2. Direct replacement T5 286 bulbs fit for all standard T5 wedge type: T5 W3W 17 18 27 37 58 70 73 74 79 85 86 206 207 286 2721 306 307 308 406 407 etc 3. Easy installation No modification required; plug and play, no wire or soldering needed If the W3W LED bulb does not light up, flip its base 180 degrees to reverse the polarity; ensure the polarity is correct 4. Application reference Suitable for speedometer light, odometer light, tachometer light, instrument panel light, dashboard light, air conditioning light, Centre console light, interior light, reading light, dresser light, glove compartment light, etc