Velleman VR-GEAR2 Mode D'emploi page 7

 For a comfortable viewing experience, sit down and position your back
in an angle of 45° to 60°.
7. Cleaning and Maintenance
Occasionally clean with a damp cloth to keep it looking new. Do
not use harsh chemicals, cleaning solvents or strong detergents to
clean the detector.
8. Technical Specifications
material
lens material
resolution
bits
lens
colour
dimensions
weight
V. 03 – 05/05/2015
VR-GEAR2
ABS
spherical resin
depending on the film source
colour bits depending on the film source
adjustable
black
158 x 90 x 110 mm
193 g
7 ©Velleman nv