For use with the Handheld Pocket ophthalmoscope. All Keeler instruments use genuine Halogen and Xenon technology, yielding a brighter, whiter illumination and a longer life. The Pocket Ophthalmoscope bulb is 2.8v and has a blue bottom which indicates it is a dry cell battery. Bulb is approximately 17mm in length and comes in a pack of 2.
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