YZ24B Streak Retinoscope( Rechargable)
Features:
The filament can be 360° rotated and move upward and downward.
Quickly and precisely measure the astigmatism axis.
The light can be converged, radiated and paralleled.
Continuously adjustable brightness.
Recharging conveniently and quickly.
Overcharge prevention protects the battery.
Optional head of ophthalmoscope.
Specifications:
Working Distance0.67mStreak3mm~20mmIllumination Source3.5V/2.8W Halogen BulbStreak Rotation360°Input Voltage
AC220V±22V/ 50Hz±1Hz
AC110V±11V/ 60Hz±1Hz
Power( Main Body of Ophthalmoscope)Li+ Battery Pack DC:3.7V