Voltage: 6.3V, Current: 0.25A, Type: T-3 1/4 Miniature Bulb, Base Type: BA9S (Miniature Bayonet Base), Life Hours: 3,000, Dimensions: 1.18 in. Length x 0.41 in. Diameter, MSCP: 0.9, Color: Red - Norman Lamps, Inc.