Measure the thickest droop - or light . With and easy-to-read clear numbers, you do not need to be a technical to set up and use this straightforward and simple manual rainwater collector The perfect garden and courtyard assistant-Finally, no more guessing, you can use it with when your garden or family farm is what they need. Interesting sharing and compatibility - If you are a gardener or weather observer, talking about the weather and the amount of collected in the gauge is a great way to connect with family, and neighbors. perfect school teaching tool. gift! Suitable For , Weather Observers, Gadget Lovers,Can also be used as an elementsary school science teaching instrument Color: White Material: plastic Size: The and lower is 10.5cm, the middle is 11.5cm, the height of the product is about 24.5cm Package Contents: 1 * gauge Only the above package content, other products are not included. Note: Light 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.