Sphere measuring range-25∽+25D unit0.01/0.12/0.25D Cylinder measuring range-9.99∽+9.99D unit0.01/0.12/0.25D Axis measuring range 0?#8765;180?unit 1? Add measuring range0∽+9.99D unit0.01/0.12/0.25D Prism measuring range0∽0.99△ unit0.01/0.12/0.25△ PD measuring range40∽95mm unit0.5mm Diameter ?∽120mm Display LCD Monitor (5.7inches)（5.7″） Printer thermal printer Power supply AC100W 50/60HZ 40VA Dimensions 220(W)*320(D)*430(H)mm Weight ∽20kg(44lb)