Small Shaft Bulb - E10 Socket - 12V/3W by Erzgebirge-Palast
Uxcell 12V/3W E10 Warm Yellow Light Mini Incandescent Bulbs with Box 1 Set/15 Count - Walmart.com
Double liang DC 3-12V E10 Upgrade LED Flashlight Bulb 3W 3V 4.5V 6V 9V 12V LED Conversion Kit for Torch Lantern Bike Work Light (3-12V Warm White) - - Amazon.com
Short Screw Thread Bulb, 12V/3W/E10, Height 1.5" (40mm)