12V DC CFL bulb. Rated at 20 watts.

Average life span is 6000 hrs.

Fits in any standard light socket, so it's very easy to convert your favorite lamp to 12 Volt DC for solar energy systems. Bulb measures approx. 5" long (not including the threaded metal socket) and 2.5" diameter at its widest.

Color temp. is 6400K.