Type  Head-mounted, Binocular
Working distance  50mm
lnterpupilary distance   48~76mm
Brightness adjusting    Continuously adjustable
Headband adjusting    500~640mm(Horizontal size)75~1 15mm(Height)
Lighting aperture     Large, Intermediate, small
lllumination inclination     ±4
Filters     Cobalt blue,Red-free, Diffuser
Lighting source     LED 3.3V/1.5A，CRI≥92
Battery      DC3.7V /1000mAh/3.7Wh Compliant with lEC62133-2
Power Supply(AC)    100-240~,50/60Hz
Dimension    290×210x170mm
Net Weight    480g