1. Waterproof metal electrode. 2. It is lightweight and portable, convenient for indoor and outdoor use. 3. This dual meter provides a fast, simple, easy and accurate method to measure both pH and temperature of different types of soil. 4. Easy to use: Simply insert the probe of the soil test kit into the soil about 4-6 inches, then flip the switch to test the temperature and pH. 5. Ideal for quick reference of pH and temperature of vineyards, orchards, field products, planters, lawn care, gardens, planters. Specification: Feature: Waterproof metal electrode. It is lightweight and portable design, convenient for indoor and outdoor use. This dual meter provides a fast, simple, easy and accurate method to measure both pH and temperature of different types of liquids. Easy to use: Simply insert the probe into the liquid, then flip the switch to test both temperature and pH. Perfect pH meter for household and laboratory use. Specification: Measuring range: 0.1 ~ 14.00pH Working temperature: 0 C ~ 50 C Automatic temperature compensation: 0.1C Battery: LR44 button battery (not included) Size: 18.8 * 3.8 * 3.8cm / 7.4 * 1.5 * 1.5in (approx.) Package list: 1 * Water pH Meter 2 * User Manual