(Pack of 4)Length: 42mm; Color: blue; Working voltage: 10V~30V(fits 12V/24V vehicles); Current: 0.15A; Power: 1.8W/bulb; Lumen: 500lm/bulb Features: non-polarity, built-in intelligent constant current IC driver for quality performance, aluminum heat sink for excellent heat dissipation, low power consumption, longer lifespan These 578 211 led bulbs are used as dome light, map light, trunk or cargo area light, interior door light, license plate light, luggage compartment light, reading light, stepwell light, glove box light, step/courtesy light, vanity mirror light etc. Fit bulb sizes: 211, 212, 211-2, 212-2, 214-2, 560, 569, 578, 6411, 6413, 6429, 6451 etc. Easy to install, Canbus error free design, for 99% of vehicles, just plug and play Please check the OWNER MANUAL or AMAZON FITMENT GUIDE on product page where it says "amazonconfirmedfit | Make sure this fits" to confirm which position these bulbs would fit. Specifications:
LED Chip: 3030 SMD
Voltage: 10~30V(fits 12V/24V vehicles)
Color: blue
Lumens: 500lm

Features:
500 Lumens super bright
Non-polarity design, easy to install plug and play
Built-in constant current IC, wide working voltage
Built-in canbus system, error free for most vehicles
Aluminum heat sink for better heat dissipation, longer lifespan

Please note:
1)This bulb is CANBUS error free for most vehicles but the error free capability may limited to few newest vehicles especially the newest European vehicle
2)Amazon fitment system may not be 100% accurate, please check the owners manual and confirm the size is correct for your vehicle before purchasing