Welch Allyn Coaxial Ophthalmoscope LED bulb Welch Allyn LED lamps use less energy, which results in lower contact temperature and three times the on-time of your traditional rechargable handle. • Long life backed by a 7-year warranty ensuring peace of mind and virtually eliminating inconvenient interruptions for lamp replacement • SureColor LED technology enabling reduction of intensity to alleviate glare or enhanced patient comfort while preserving the colour and clarity of the view • High energy efficiency resulting in 3X the examination time with each charge of a Welch Allyn rechargable handle • A simple solution presented in 4 lamp upgrade kits compatible with our most popular physical assessment instruments.