Your Local stores sell similar lamps for $5 each . * 5-pack 20 Watt XENON JCD Type 20watt G8 Bulb 120V 20W size is 35mm = 1.38 inch LONG Anyray® A1700X * G8 Bi-Pin Base (8 Millimeters between Pins) Dimension: THE GLASS PART is 25 mm LONG OR 1 inch * XENON Bulbs Lasts longer than halogen bulbs . Usage: Home, Office, Restaurants, Stores , Schools * High Brightness and Energy efficient light bulb, Dimmable , Long Life: Approx. 4,000 Hours bulb life