1683 28 volt
These are direct replacement LEDs. They are made from the highest quality plastics and electronic components available. Size measures in mm. 23H x 17W
Voltage 28 AC or DC, as these are fully rectified. Current is amps for power consumption of watts. This is many times less power used than a 1683 bulb.
Temperature is much cooler also. LEDs 23.4C/74F, vs bulb temperature of 38C/100F.
Colors: White, Warm White.