【300% Brightness】Each 41MM LED bulb uses 24pcs 4014 LED SMD chips, and provides the highest luminous efficiency compared to other chips, 3 times brighter than the stock 41MM bulbs. The unique semi-circular arched design of the chipboard makes light emission evenly without black spots or shadow areas

【Quick Installation】211-2 LED bulbs have built-in smart IC drivers, and 2005-2010 Chevrolet Cobalt is installed without errors and flickering. 211-2 interior dome and courtesy light LED bulb is a non-polar spring compact design, no need to match polarity, plug and play, super easy installation, high vibration resistance

【Long Lifespan】212-2 LED bulb adopts an all-aluminum body, a perfect hollow design, which is more conducive to efficient heat dissipation. Stable input current protection circuit, ensuring a safe temperature range and consistent brightness. 212-2 canbus led bulb white extends lifespan up to 50,000hrs

【1:1 Design】212-2 bulb 6500k spring retractable replaceable size is 39mm 41mm 42mm 1.54inch-1.65inch 211 211-2 212 214-2 560 561 563 564 569 578 6411 6413 6429 12844 DE4410 bulbs. 578 LED interior car dome light and courtesy light bulbs use the same 1:1 socket as halogen bulbs to ensure a perfect match with your 2005-2010 Chevrolet Cobalt