Professional diagnostic sets with fiber optic illumination system, Xenon halogen light 3.5 V, rheostat to adjust the intensity of light. Powered by rechargeable Li-ion batteries. All products are made of impact resistant re-inforced plastic and durable easy locking system for hospital long term use. Supplied in deluxe case, should be used with charging station 31542 and Li-ion rechargeable battery (31541). F.O. Xenon oto/ophthalmo set 3.5V - F.O. otoscope head - F.O. ophthalmoscope head - Two battery handle with bayonet lock - Nasal illuminator with F.O. light - 1 set of 5 reusable eartips (2.5, 3.5, 4.5, 5.5 & 9.0mm) - Tube of 14 disposable eartips (2.5 & 4.0 mm) - Spare oto and ophthalmo bulbs - In a rigid case