Retinoscope Portable Optical Instruments Equipment Rechargeable Optometry Retinoscope Whosale
| Working Distance | 0.67m |
| Streak width | 3mm-20mm |
| Illumination Source | 3.5V/2.8W Halogen Bulb. |
| Input Voltage | 360° |
| Power Supply | AC100V to 250V, 50Hz/60Hz |
| Power | Li+ battery pack DC:3. 7V |
Description
Features :
◆ The filament can be 360° rotated and be adjusted upward and downward.
◆ Quickly and precisely measure the astigmatism axis
◆ The light can be converged, radiated and paralleled.
◆ Continuously adjustable brightness.
◆ Convenient quick recharging.
◆Anti-overcharging function protects the battery
◆ Connected with the head of ophthalmoscope is also available.
◆ Double electricity double sufficient power.YZ24B could be recharged at the same time.
