7440 LED bulb/back up reverse light bulbs: 9 pieces LED chips per 7440 led bulbs. 360 degree full angle illumination with projector lens design.. Efficiency Heat Dissipation 7440 Led Bulbs: 6063 aviation aluminum heat material, Working Voltage: 12V 24V with built in IC driver for better working performance;. 7440 Led reverse lights bulb Cross Reference Number: 7440, 7440LL, 7443, 7443LL, 7443-SCK, 7441, 7444NA, 7444NAK, 7440A, 7440NA, 7440NAK, WY27/8W, WY21W, W21W, etc.. Easier to install 7440 LED bulbs/back up reverse light: just plug and play,and with flexible wire more convenient to install, convenient assembly and disassembly. Application: Back Up Reverse Lights,Parking Lights,Side Marker Lights,Corner light,etc..
