This rain gauge is designed for precise outdoor rainfall measurement, with a capacity to measure up to 11 in. of rainwater. The inner measuring tube is 1 in. in Dia and offers accuracy to 1/100th of an in. The gauge features easy-to-read numbers and inch markings for clear rainfall tracking. Constructed from UV and heat-resistant polycarbonate, it is durable and suitable for all weather conditions. The gauge is built to US Weather Bureau standards, making it ideal for weather enthusiasts, farmers, and observers who require accurate rainfall data. It includes a mounting bracket for easy installation on posts or poles, allowing for convenient removal and installation as needed. The bird-proof design includes deterrent rods to prevent damage from birds and other animals. The bottle mouth can be adjusted to accommodate the rods for added protection. The gauge is corrosion-resistant and maintains its color over time, ensuring long-lasting performance. It is important to avoid letting water freeze in the gauge to maintain its accuracy and functionality. Size: large. Material: Plastic.