The KI 7800 Series LED Laser Sources are general purpose instruments used for measuring mixed multimode and single mode systems. Typical applications include attenuation measurement, and fiber identification. 850 / 1300 nm LEDs for multimode fibers with TIA/IEC standards compliance (Coupled Power Ratio & λ) 1310 / 1490 / 1550 / 1625 nm laser options for singlemode fibers 4 λ LED/laser instrument is ideal for general contractor use One button loss testing when used with an Autotest power meter Easy to use, with 190 hr battery life Superior re-connection repeatability, < 0.1 dB Supplied with metal free SC, ST, FC interchangeable connectors. Other options include LC connectors Automated multi λ loss display when used with a KI3600 or KI 7600 meter Tone generator