Features 【Flat Design for Seamless Installation】: This road prism features a flat design that allows it to be mounted on roads without obstructing traffic, ensuring smooth passage while maintaining high visibility for monitoring purposes. 【500m Wide Measuring Range】: With an impressive measuring range of up to 500 meters, this highway prism is highly practical and suitable for a variety of long-distance monitoring applications. 【Glass Protector for Scratch 】: Equipped with a glass protector, this prism is shielded from scratches and damage, ensuring long-lasting performance in harsh environments. 【Wide Application for Road & Monitoring】: Ideal for monitoring roads, subways, and traffic systems, this prism is a versatile tool for infrastructure and transportation projects. 【 ABS Material for Longevity】: Made from high-quality ABS material, this prism is sturdy, wear-resistant, high-temperature resistant, and designed to withstand erosion, ensuring a long service life. 1. Flat Design: This road prism has a flat design and is mounted on the road without interfering with the passage of the chan bright on the road. 2. 500m Measuring Range: This road prism has a wide measuring range and is very practical with a range of application up to 500m. 3. Glass Protector: This highway prism comes with a glass protector that effectively protects the prism from scratches. 4. Wide Application: This highway prism is very widely used, which is suitable for monitoring the road, and so on. 5. Excellent ABS Material: This highway prism is made of excellent ABS material, which is sturdy and wear resistant, not easy to be eroded, high temperature resistant, and has a long service life. Specification: Item Type: Survey Road Monitoring Prism Material: ABS Measuring Range: Approx. 500m/19.7in Prism Diameter: Approx. 12.7mm/0.5in packing list: 1 xSurvey Road Monitoring Prism Package List 1 x Survey Road Monitoring Prism