Bulbeats 1200 Lumens 2 x 144-BX Chipsets 7440 7441 7443 7444 LED Bulbs with Projector , Xenon White 6000K 2pcs/Set of 144pcs BX chipsets per bulb with projector. Lighting output: about 1200 lumens for each bulb. 144pcs BX chipsets, each chipset around 8~9LM Color:6000K Xenon White. Working Voltage 10v-24v. Size:2.40" long and 0.75" in diameter. Fits: 7440 7441 7443 7444 992 W21W . Low power consumption, save your power supply. Ideal for backup reverse light , turn signal lights,brake lights,tail lights,etc **Please check your car Socket before purchasing**! **Please make sure the measurement before purchasing**!Contact us if there is any questions! 1year warranty. Notice:All LED bulbs have to be plugged in a certain way,it has Positive and negative, so if they don't work at first, quickly take them out, turn them around 180 degree, and put them back in again.