Magnifying rain gauge helps you read the rainfall amount easily. Designed for the water to magnify the numbers, it measures rain fall events up to 4" & it is made with polystyrene material. The tapered point can be inserted into the ground or it can be mounted to a post or deck with your own screws. Reverse imprint shows through the clear plastic. Complies with Prop 65. 2.75" W x 12.25" L x 4" D