1. Small and light, real easy to be carried and used. 2. High stability 3. Long-term stable light source Main Application: 1.All kinds of coating and finishing surface,such as paint,warnishes,printing ink,ect. 2.Decorative materials.Such as : marble, granite, ceramic and polishing tile and so on. 3.The other kinds of matericals and objects,such as plastic ,woodenware and paper,etc gloss meter for ...