If you've been looking for a plants water shortage reminder, then your search is over! That's because our product can provide great help in measuring soil moisture, you will know whether you should water your potted plant. Features -Color:Red -Material:ABS,stainless steel -Size:27.00X5.50X3.50cm/10.61X2.16X1.38in Temperature compensation range:1 ( degree centigrade) Power supply voltage:10 (V) Operating temperature:60 ( degree centigrade) - The meter is very easy to use, just insert it into the soil and check the light color. - Save time and effort, improve planting efficiency. Lightweight and compact, easy to carry and store - Creative design to bring a touch of fun to your garden. Can be given as a present to your family and friend. - Versatile design, can be used for a variety of plants. Save time and effort, improve planting efficiency. - Lightweight and compact, easy to carry and store. Suitable for placing , garden, greenhouse planting, indoor planting, and etc. Package list: 4 x soil moisture meter