This 4" magnifying rain gauge will be a hit with your target audience! It helps recipients read the rainfall amount easily. Designed for the water to magnify the numbers, it measures rainfall events up to 4" and 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 their own screws. The reverse imprint shows through the clear plastic. Give your clients a bit of sunshine on rainy days! The water magnifies the numbers by 35% for easy reading.