AV6416 appearance of the structure using the world's most advanced double-color mold design and process integration, novel appearance beautiful, durable, very easy to operate, adopt advanced anti-reflective LCD display, making wild environment interface is clearly visible, the machine uses dual power supply way, high-capacity lithium battery so that the whole work more than 10 hours, the product has two USB interface forms, can access U disk, but also through the USB cable and PC communication. For the convenience of the operator and easy to carry, the product uses a more user-friendly design, the instrument is equipped with a comfortable strap. Optical Time Domain Reflectometer (OTDR) AV6416 exclusive statement: 1, the only qualified OTDR, unique! 2, the performance over imports dominate! 3, CLP forty-one military products, the unique quality! CLP 41 all with more than 26 years of research and development of optical communication measuring instruments, experience, knowledge of high-quality, high-efficiency optical fiber connecting the various requirements. AV6416 Palm OTDR Optical Time Domain Reflectometer designed for FTTX test equipment. For measuring the length of the fiber optic cable, the transmission loss, optical fiber splice loss and other physical properties, and to the optical fiber lines in the event point, accurate positioning of the point of failure.