EU Plug Fingerprint Biometric Face Recognition Attendance Device 100-240V

Item Type: 360 Prism Material: K9 Glass, ABS Constant: +23.1mm Effective Diameter: Approx. 25.4mm / 1in Scope of Application: Detection of tunnels, subways, mines, highways, etc. Suitable compatible with measuring instruments such as compatible with Trimble. Application: Widely used in various industries such as railway, tunnel, dam, steep slope, etc.1ABS PROTECTION: ABS material wraps the lens, making the prism anti wear and anti drop, greatly improving the service life of the prism. 2K9 GLASS MATERIAL: Optical glass accuracy testing, prism adopts premium K9 glass, carefully polished, more accurate measurement and more durable. 3MAIN USE: This 360 degree prism is mainly used to test tunnels, subways, mines, highways, etc. And the prism is always work with measuring instruments such as compatible with Trimble. 4WIDE APPLICATION: Widely used in various industries such as railway, tunnel, dam, steep slope, etc. This total station prism has a wide range of use. 5EASY CARRYING: This prism is small and compact in size, and comes with a storage bag, easy to carry around compatible with convenient use. 1 x 360 Prism 1 x Storage Bag