... probes 4)two years guarantee,CE Features Capable of performing measurements on a wide range of material, including metals, plastic, ceramics, composites, ... .1/0.01 millimeter,which is suitable for variety of metallic and non-metallic materialsOne Unit Different probe types ... qualitydevice and mauualBattery boxrange and powershow againLow-power desighn,with two AA size,1.5 volt alkaline batteries,100 ...