Certification : NONEWith Backlight Or Not : NOIs Smart Device : NOModel Number : ZD-06Display Type : AnalogLength: : Extra long 295mm metal electrodeSoil pH measuring range: : 3 - 8 pHSoil Moisture level: : 1 to 8Operating temperature : : 5 - 50C (41-122F)Flower meter : soil meterZD-06 Soil pH Tester Moisture Meter Waterproof Soil Tester for Indoor & Outdoor test Kit Tools with 295mm Long Electrode Probe 40% offSoil PH value plays a very important role in the growth process has grain crops, most crops in high pH soils is very difficult to survive, and therefore suitable PH value of planting the best crops vital .Knowing the nutrient levels in your soil is to determine what you need to add to your soil to maximize the growth of your plants.Great for quick pH and Moisture reference in the following uses:Commercial useVineyardsOrchardsField ProductionLawn MaintenanceHome useGardensPlantersLawn MaintenanceFeatures:1.Longer and slender 295mm electrode for deep penetration into the soil2.Durable and trouble-free life3.Self-Powered, no battery is needed4.Accurate and reliable5.Waterproof metal electrode/probe6.Fast pH & moisture measured reading7.Measures pH and moisture value of different kinds of soil8.Passed the strict quality and safety standards9.Great for quick pH & moisture of Gardens Planters, Lawn 10.Maintenance, Greenhouses and Vegetable productionSpecifications:Extra long 295mm metal electrodeSoil pH measuring range : 3 - 8 pHSoil Moisture level : 1 - 8Accuracy : 0.2 pH (suitable for agriculture field or educational experiments)Operating temperature : 5 - 50C (41-122F)Calibration : light polishing to remove oxidation from metal ringsSize : approx. 410 mm (total length)Weight : approx. 140gSet Includes:1 x Soil pH & moisture meter1 x English Instruction manual