Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display for easy readingSupplied with quality probes and pH calibration solutionsLow battery indicatorLong life 3 AAA batteries5 year Bluelab Guarantee (6 mo for pH probe)