home wall battery storage, designed for residential energy storage, is stylish and simple in appearance, Supports wall-mounted installation. Feature Intelligent battery management systemï¼› Cycle life up to 4000 timesï¼› Support a variety of communication
5 inch color touch screen OTDR with output print of curve, save,data output and event listing with adjustable pulse width. It can save data over 10000 group. It also have two test wavelength of 1310nm and 1550nm.