This decorative rain gauge collects and measures the amount of rain that has fallen over a given period of time. Measuring in 1/10 inch increments on one side and 1mm increments on the reverse side, the curvature of the glass vial magnifies the numerals by 50%. The twisting stake mounts in the ground and can also be post mounted. A metal screen in the collection funnel keeps out unwanted leaves and bugs. 2ind X 23int. Anodized aluminum construction in a bronze patina finish. Caution: Keep glass vial from freezing.