GE Lighting 26223 4-Watt Specialty C7 Incandescent Light Bulb, Blue, 2-Pack,GE Lighting,26223" /> C7 shape with candelabra base for use in night lights Uses 4-watts Blue night light bulb Lasts 3000 hours Estimated yearly energy costs $0.48 based on 3 hours per day $0.11 per kWh