Multicolor A15 Replacement bulbs Incandescent lighting Opaque bulbs. Steady light display. Screws into standard household lamp socket. Red, Blue, Green, Orange, White - sold in a case pack of 50. Indoor/Outdoor use. 15 watts per bulb. Average life is 5000 hours. These can be used with our patio lights. E26 medium base. Fade Resistant nickel base. 130 volt bulb.1.75" diameter bulbs.