20 .425 Watt 2.5 Volt Replacement Bulbs Check PIctures For Measurement Diagram Indoor/Outdoor One or More Can Burn Out and Others Stay Lit 20 GE 2.5 Volt .425 Watt clear with green base mini bulbs. This is the style where one or more can burn out and the others stay lit. 20 New replacement bulbs, I have other colors and styles listed. There are several styles of GE Bases, Please check the measurements carefully, a measurement diagram is in the pictures. You can also remove these bulbs from their base to use a different style or color of base. Base is .44" long overall, it is inserted .36" into the socket and the inserted diameter is .25".