Description Feature: 1. [Professional Replacement Prism] This prism with light is used to replace the original surveying prism of the total station, professional and standard, easy to install. 2. [Wide Application] This prism can be used with a total station for various surveying tasks, providing versatility and convenience in different surveying projects. 3. [Enhanced Reflective Ability] The mini prism is made of optical glass, enhancing reflective ability for clearer and brighter measurements, ensuring accuracy. 4. [ABS Casing] Equipped with ABS protective casing, this prism ensures that the glass prism part is not worn, thereby extending its lifespan for long term use in the field. 5. [Versatile Usage] Ideal for use in subways, railways, tunnels, dams, steep slopes, and other locations, this prism offers reliable performance and accurate measurements for a wide range of surveying applications. Specification: Item Type: Total Station Prism with Light Material: Optical Glass, ABS Effective Diameter: 64mm Use: Suitable for Components with 20 Male Thread Battery: 3.7V Lithium Battery x 1 (Not Included) . Package List: 1 x Total Station Prism with Light 1 x Storage Bag