Welch Allyn 2.5 V Halogen Lamp For Otoscopes (#21110  #21111  #24000  #24011  #24020  #24031)  Illuminators And Transilluminators (#27200  #27250  #41110)  And 2.5 V Handle Adapter (#73550) * Warranty: One Year Warranty * Shipping Weights And Dimensions: Gross Weight: 0.005 Kg * Width: 21.2 Cm * Height: 8.6 Cm * Depth: 12.2 Cm