Jtech 2x T10 T15 50W High Power 906 912 921 SMD LED Reverse Back up Light Bulb Xenon White Super Bright. High Power 50W LED Bulb. Size: 39mm(L) x 12mm(D) - Input : 12V, Base type: T10/T15 Wedge 906 579 901 904 908 909 912 914 915 916 917 918 920 921 922 923 926 927 928 939 etc - Glow 2x 5W Cree LED in front projector lens , 2x 5W LED of 4 sides for 360 degree lighhting. - Each group LEDs with separate constant current circuit which makes the efficency of lights much higher - Superior Quality Product engineered and manufactured by Latest technology