The Fluke Networks Fiber Optical Power Loss Meter Test Kit includes the FM150 and FS150 models, designed for precise measurement and inspection of fiber optic cables. The kit is manufactured by Fluke, a trusted brand in the industry known for producing high-quality and reliable testing equipment. This product is ideal for professionals in the telecommunications and networking fields who need to accurately test and locate any power loss in their fiber optic setups. With this kit, users can ensure their cables are operating at optimal levels and quickly identify any potential issues for efficient maintenance and repair. Unit is in perfect working order and as shown in the images.