Color: BlueRange: 0~9999 μs/cmAccuracy: ±2%Calibration: Factory calibratedAuto shut-off: 10 minutesWork temperature: 0~60 degree CelsiusBattery: 2 * 1.5V button cell (Not included)Item size: 14.2*2.5*1.5cm / 5.6*1*0.6inItem weight: 35g / 1.2ozPackage weight: 52g / 1.8ozPackage size: 15.5*3.5*2cm / 6.1*1.4*0.8inPackage Includes:1X EC Conductivity Tester1X Leather Case1X User Manual