Standard Features : Compact, Light Weight, Table Top with easy operations. 300mm diameter screen with 90° cross line and chart holders. Screen Graduated to 360° with vernier reading 1 minute. Projection Light Source with 24V/150W Halogen Lamp. Double Oblige LED Light Source for Surface Illumination Focusing can be adjusted manually by hand wheel. Optical Distortion below 0.15%. Objective Lens Magnification : 10x Cooling by built-in-noiseless and vibration free fan. Input Voltage 220v through low voltage transformers. Supplied complete with operating instructions manual. Specifications : Table Type & Size : AL 300 x 200mm Effective Table Area : 275 x 180mm X-Y Range : 200 x 100 mm Measuring Unit : Built in Linear scales. Resolution : 0.001mm X-Y Counter : Yes Digital Angle Counter : Yes. Maximum Work piece Height : 115mm