... Carrying case Two 1.5V AA alkaline batteries Low cost,high performance coating,Ultrasonic Thickness Gauge The UM-1 is a simple ... :5MHz Sound velocity range:1,000-9,999m/s Battery: Two 1.5V AA batteries Dimensions:149mm×73mm×32mm ... CAseOptional Standard package:UM-1 thickness gaugeStandard probe (PT-08)Carrying caseTwo 1.5V AA alkaline batteriesCouplantOperating manualCertification of qualityPackaging ...