Product Specifications: Average Life: 10,000hrs Base: G23 (2 Pin) Wattage: 5W Voltage: 34V Length: 4.00 Inches 101.6MM Long Wavelength : UV-C 254nm Pin Pattern: (2 Pins) Bulb Finish: Clear This Premium Quality Replacement lamp is Manufactured by Pro Lighting and is Guaranteed to Meet or Exceed the Original Manufacturers Specifications. The use of the Original Manufacturers Name is for Identification purposes only. The name Germ Guardian is trademarked and wholly owned by Guardian Technologies j. We do not sell or distribute Germ Guardian Products