Applications: All kinds of coating and finishing surfaces, such as paints, varnishes, printing ink, etc. Decorative materials, such as marble, granite, polishing brick, ceramic tile and so on. The other kinds of materials and objects, such as plastic, woodenware, paper, etc. All kinds of metallic materials and their coatings Features: Interface: Serial RS 232 Software: Data Operator included. Memory: 10000 measurements or 999 data groups Power Supply: A single battery only. AA size, Rechargeable or alkaline Comes Complete With: Main Device, Holder with Working Standard, Tracable Certificate, Data Operator Software, Cable for PC Serial port, USB Adapter (optional), Users Manual, Carrying Bag.