Memotronics 15 Watt 130 Volt T7 Candelabra E12 bulb 15T7C 15T7 130V 15W Exit Signs (Box of 10) Base: 12mm diameter Screw (slightly less than 0.5 inch) also called E12 or Candelabra Power: 15 W Voltage: 130 V (Operates at 110 to 130 Volts) Shape: T-7 (7/8" diameter glass) Filament: C-7A