The Westgate Mfg GZ-JC-300L-30K is a 3W G4 base LED lamp designed for 12V AC/DC low-voltage fixtures in residential and commercial applications. Built on a COB LED platform, it delivers 300 lumens at 3000K warm white in a compact 0.4" x 1.2" silicon-body form factor rated for wet locations. A direct retrofit for halogen G4 JC capsule lamps, it carries a 5-year warranty.