Product features Display Unit/Power Supply Power supply and signal output for Current Sensor CT7600 and CT7700 series Simultaneous dual display of the measured values, frequency, and output rate Four output formats to output data to loggers or other devices (via Display Unit) Supports AC adapter, AA alkaline batteries, and external power supply   Product description Hioki CM7290Display Unit/Power Supply Product details Item Weight: 13.4 ounces Shipping Weight: 13.4 ounces