10-Min Quick Installation: SHENKENUO LED bulbs adopts non-polarity and true plug-and-play design, It can be easily installed on your vehicle within 10 minutes. No tools or modifications are required. note: be sure to hold the lamp body to rotate, do not twist the connector. 300% High Brightness: By using the excellent cob chip, Compared with the csp chip, The cob chip has a larger light-emitting area