Feature: 1. Very suitable for vineyards, orchards, field production, care growers, lawn care, gardens, fast pH and references of plantation 2. Reliable metal electrode 3. Quickly and accurately measure pH and humidity levels 4. Long term trouble- durability 5. Strict and standards certification Specification: Features: Very suitable for vineyards, orchards, field production, care growers, lawn care, gardens, fast pH and references of plantation Reliable metal electrode Quickly and accurately measure pH and humidity levels Long term trouble- durability Strict and standards certification Self-powered, no battery required Measure pH and values of different soils Specification: Model: VT-05 pH: 3~8 pH : 1~8 PH accuracy: 0.3 Resolution: 0.2ph Operating temperature: 5~50C (41~ 122f) Size: 160*50mm/6.3*2in Weight: Approx.139g/4.9oz Package list: 1 x VT-05 Soil PH Meter 1 x English manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.