1、Water‑proof metal electrode. 2、It's lightweight and portable design, convenient for indoor and outdoor use. 3、This dual meter offers fast, simple, easy and accurate method to measure both pH and moisture level. 4、Easy to use: Simply insert the probe of the test kit and toggle the switch to test the humidity, pH value you want to measure. 5、Great for quick pH & moisture reference of vineyards, orchards, field produce, nurser planters, lawn maintenance, gardens, planters. Feature: Water-proof metal electrode. It's lightweight and portable design, convenient for indoor and outdoor use. This dual meter offers fast, simple, easy and accurate method to measure both pH and moisture level. Easy to use: Simply insert the probe of the test kit and toggle the switch to test the humidity, pH value you want to measure. Great for quick pH & moisture reference of vineyards, orchards, field produce, nurser planters, lawn maintenance, gardens, planters. Speciation: Measuring range: 0.00~14.00pH Accuracy: ±0.2PH, ±0.1PH (at 20 ° C) Resolution: 0.01PH Working temperature: 0°C~50°C Automatic temperature compensation: 0°C~50°C Supporting electrode: E-201, E-201B, SP300, SP300S (Conical electrode) Battery: 3 x 1.5V (AG13) (Not included the battery) Size: Approx. 17.5 x 5 cm / 6.89  x 1.97 inch (appr.) Screw driver length: Approx. 9.5 cm / 3.74 inch (appr.) Package included: 1 x Moisture Meter Tester 1 x Screw driver 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.