F21 series LED bulb is premium design with extrusion 6063 AL. housing and 2pcs 1860 SMD, with cooling fan built-in, it has 21W power & CANBUS FREE for car turn signal light / break light / reversing light / tail light.
It has constant current & Non-polarity for 12V car & 24V truck lighting.
Premium 21W high power design
9-32V DC wide voltage for car / truck lighting
Constant current, Non-polarity
|Extrusion 6063 Aluminum
|-40°c to + 80°c
|CE / Rohs