Product Features Luminous Flux: 1200Lum/bulb - Color Temperature: Xenon White 6000K - Operating voltage: 9V-16V DC( Can't connect truck 24 volts, not exceed 16 volts) - Output Power:5W - Bulb Service life:10000 hours,easy plug-and-play installation Lamp body construction: The lamp body uses 45pcs bright 4014 chipsets for a 360 degree illumination angle,There is a stable resistor inside the lamp body,built in CAN-bus error free controller,Standard high temperature resistant T15 / W16W base which can replaces a variety of traditional halogen or incandescent bulbs including Stock : 906 579 901 904 908 909 912 914 915 916 917 918 920 921 922 923 926 927 928 939,W16W,T15 bulbs Lamp body length: 40mm 1.57",Lamp body Diameter:15mm 0.59",Base diameter: 9mm 0.35";Same size as the original halogen lamp of the car,So it can be adapted to most car,Before buying, still pay attention to whether the size of the product is suitable for your installation space. Parameter Condition: 100% Brand New Socket Type: 921 912 T15 W16W Luminous Flux: 1200Lm/bulb Voltage: 9V-16V DC12V car Wattage: 4W/Bulb Color Temperature:White Lighting Angle: 360 degree PACKAGE INCLUDE: 2-PCS T15 LED Light Note ----Please confirm your socket before purchase,the installation location is for reference only.---- The bulb has a decoding function that can decode 98% of the car models. German and Italian cars cannot decode and prevent errors. They need to add a pair of load resistors to prevent false flicker or malfunction.