Features SAFE DESIGN: Diffuse reflection fiber optic sensor has good insulation, non-inductive electrical performance, water resistance, high temperature resistance and corrosion resistance. OPERATING PRINCIPLE: The fiber optic sensor is a sensor that changes the state of the measured object into a measurable optical signal. Professional and practical: The sensor cable has higher detection performance, high reliability and stability. SLIM AND SOFT: The fiber optic sensor has strong interference resistance ability, has fine diameter, soft quality and light weight. EASY TO USE: The digital fiber optic sensor is easy to install and easy to connect, providing great convenience for your life. Specification: Item Type: Fiber Optic Sensor Induction Mode: Direction of Light Fibre optic outer diameter: approx. 1.2 mm/0.05 inches. Inner diameter of the optical fiber: approx. 0.5 mm/0.02 inches. Line length: approx. 1 meter/3.3ft Probe end length: approx. 10 mm/0.39 inches. Package list: 1 x Sensor. 2 x nuts. 2 x accessories Package List 1 x Sensor 2 x Nut 2 x Accessories