Features: * new and high quality * Made of high-quality materials, sturdy and practical * The lens wavelength is visible light. * The excitation is electrical excitation, and the working substance is free electrons. * The optical path is a straight-through external optical path, and the output is power type. Specifications: Part name: optical lens Model: HOP-for M3- Material: metal+ plastic Color: as shown in the figure Size: standard Range: visible light Mode: continuous Excitation: electrical excitation Working substance: free electrons Optical path: straight-through external optical path Output form: power type Transmission signal: OC gate type Speed: low speed Channel: single channel Output wavelength: 650(nm) Line width: 1(mm) Package content: 1 x optical lens Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. _x000D_