Product Description

Festoon C5W 31mm 4SMD 5050 Erro Free Canbus LED with heat sink 
Suit for cars with computer, no error IC inside. Improved tech than common LED. 

Specifications: 

CANBUS Festoon 4SMD 5050 with heat sink 
Size: 31mm, 36mm, popular is 31mm 
If customers want 36mm, 39mm, it's better to choose 3SMD, 6SMD, 8SMD, 9SMD, 
Such canbus LED with spread-heat part, improved than common canbus LEDs without spread part. 
Resistors built-in T10 LED, 
Base: FESTOON 
Voltage: 12V

Color: White, yellow, red, blue, green 
Packing: Anti-static bag or blister card 

The following type is canbus Festoon LED 4SMD(without Al part on backside), back side is black plate only.