Using a large-screen LCD with backlight, easy to check soil's moisture conditions. 91.4mm sensor probe helps you insert tester to soil easily and keep it in suitable depth. Suitable for several occasions, plantation, indoor, garden and greenhouse. Product name: digital humidity sensor Power: 2xAAA (not included) Moisture: 0-99% Warm Reminder: 1. The soil tester is specially designed for soil, do not use it to test water or other liquids 2. Do not use it in rocks or other hard soils 3. Our detector is not suitable for and other Loose soil 4. Please keep the probe clean and dry before and after use 5. Do not leave it in the soil for a long time 6. When using, insert 2/3 of the depth, which is too shallow to measure 7. Do not use strong force as it may be damaged Probe 8. Do not reuse in the same place. Color: As Shown Material: PC+ABS Package Contents: 1 x Digital Display Three-in-One Soil Tester Only the above package content, other products are not included. Note: Light reflection 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.