Light, Xing Feng instrument light source, fiber optic cold light source is Xing Feng instrument provides. Light, 星枫 instrument light, fiber optic cold light Nanchang 星枫 Instrument Co., Ltd. (www.xingfengyiqi.com) 2014 upgrade been newly launched product name:? CT613VL/CT613VLX visual fault detector pen pen portable design, easy carry. ? Full metal housing, durable. ? 2.5mm common interface. ? 650nm visible wavelength Model: CT-711L/CT-716L/CT-718L/CT-710LM Product Name: CT-71xL series of laser light Price: 0 Brand: Domestic Product categories: physical properties testing equipment Description: CT71xL Series handheld laser source can provide 1-4 wavelength stability requirements of the user output fiber cold light source, can provide both visible red light 650nm, 1310nm and 1550nm can also provide a dual-wavelength single-mode fiber to measure the laser output, or both provide 850/1310/1550nm three-wavelength laser source output line is ideal for fiber optic test instrument engineering. Product Features:?? High stability multi-wavelength single (multi) mode laser output, CW mode or modulation wavelength large-screen LCD displays working status of continuous working time of up to 45 hours to work one-touch switching wavelengths, flexible operation??? You can set automatic shutdown