Rechargeable Streak Retinoscope

Features:
– The filament can be 360 degrees rotated and upward and downward moved
– Quickly and precisely measure the astigmatism axis
– The light can be converged, radiated, and paralleled
– Continuously adjustable brightness
– Convenient quick recharging
– Anti-recharging and anti-discharging function protects the battery

Technical Specifications:
– Light band width: 3-20 mm
– Output Power: 20 VA
– Size: 27*20*10.5 cm
– Lighting source: 3.5 V/2.8 W, halogen bulb
– Lighting power supply: Li+Battery Pack, DC 3.7 V
– Charging power supply: AC 110 V-240 V 50/60 Hz
– Handle length: 24 cm
– Working distance: 0.67 m
– The light band rotates: 360°
– Application: Ametropia and Bulk optical axis position