Comes with the reliable and waterproof metal electrode Measure pH and moisture level quickly and accurately Ensures durability for a long and trouble-free service life Approved by strict quality and safety standards Self-powered, no battery is required Measures pH and moisture value of different types of soil pH Range: 3~8 pH Moisture: 1~8(10%~80%) pH Accuracy: ±0.3 Resolution: ±0.2 pH Size: 165mm x 50mm (diameter) Color: Black Material: Plastic + Metal Package Contents: 1 x Soil Moisture Meter Only the above package content, other products are not included. are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.