ITEM NAME:3 in 1 Ph value measuring instrument and moisture meter for potting soil E8R7 3 in 1 Ph value measuring instrument and moisture meter for potting soil E8R7 Material:plastic and metal. Counter size: approx. 5 * 8 * 3.5 cm. Sensor length: approx. 21 cm; Distance between the probes: approx. 1.2 cm. Color: green 3 functions in a compact soil meter - used to measure the moisture and pH of the soil and the ambient light. Works with all floor types and is suitable for indoor or out doors - just place it in the floor, set to the setting you want to measure and read the scale. No need for batteries. Package Content: 1 x Moisture Meter Only the above package content, other products 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 +/- 1-3cm.