Roughness tester for internal and external measurement in unbreakable ABS case 120 x 46 x 68 mm. 3.7 V Lithium rechargeable battery and 220V charger included. Portable roughness tester characterized by high precision, wide range of applications and ease of operation. Recommended for tests of surfaces of all types of metals and non-metals. 128 x 64 Dpi piezoelectric diamond LCD sensor. Memory of 100 groups of measurements. Including reset glass plate. Battery charge indicator. USB data output with PC cable and software included. Machine condition: unchecked. Approx. Transport dimension: LxWxH 370 x 310 x 125 mm; Approx. Weight: 5kg The item for sale may not be the one shown in pictures, but will have equal specifications and performance.