Characteristics
Perfect optics system offers clear image of eyeground.
Fully charged can be continuously used for at least 2 hours.
Specifications
Illumination form :Large light spot(￠3.2mm)、Small light spot(￠1.6mm)、Slit、central-net、slit、Redfree filter
Diopter compensation: 0、±1D、±2D、±3D、±4D、±5D、±6D、±　8D、±10D、±12D、±16D、±20D、-25D
Light source:3.6V、2.6W Mini-halogen lamp
Power supply:AC,220V/50Hz 110V/60Hz
Input power:8VA