Welch Allyn 04900-LED Lamp Upgrade Kit 3.5V CoaxialFeatures:SureColor™ LED technology enabling reduction of intensity to alleviate glare or enhance patient comfort while preserving the color and clarity of the view.High energy efficiency resulting in 3X the examination time with each charge of a Welch Allyn rechargeable handle.A simple solution presented in four lamp upgrade kits compatible with our most popular physical assessment instruments.Lamp bases are date-stamped for easy warranty verification. Kits inlcude a lamp removal tool for easier replacement.Fits Welch Allyn Traditional Ophthalmoscopes including:∙ #11720 3.5V Coaxial Ophthalmoscope∙ #11730 AutoStep Ophthalmoscope∙ #11735 Prestige Coaxial Plus Ophthalmoscope