The G4 "Tower" model is an omni-directional LED bulb that fits in back-mounted G4 sockets. The bulb delivers effective and even light output in all directions, making it the ideal choice for small appliques and reading lights or wall sconces with fabric or glass shades.
 
ILTWG4-15W
"Tower" LED Replacement Bulb, Warm White, 10-30VDC (1.3W), Omni-Directional, G4/GU4 Socket