Optima Pocket Diagnostic Set SM - Audiometer Accsessories which keep the internal temperature

which keep the internal temperature even and stable

Battery back-up options available

It then clears itself automatically

Battery Chemistry: Lithium Primary (non-rechargeable)

Dimensions: H:37

Optima Pocket Diagnostic Set SM - Audiometer Accsessories which keep the internal temperatureOptima Mini Pocket Diagnostic Set containing a Pocket Ophthalmoscope complete with handle, Pocket Otoscope complete with handle, Spare bulb for Otoscope, Spare bulb for Ophthalmoscope all within a hard plastic case. Pocket Ophthalmoscope complete with handlePocket Otoscope complete with handleSpare bulb for OtoscopeSpare bulb for OphthalmoscopeHard Plastic Case3 year guarantee excluding consumables