This is a kind of intelligent electricity meter, composed of full viewing angle color LCD display, easy to read current electric energy, cumulative electric energy. Supports measuring power, current, voltage, temperature and humidity of connected devices. Electrical energy and timing can be reset. Electric power and timing have power-off memory function. Features: Made of flame retardant nylon, stable installation with fine durability and can provide long service time. Full viewing angle color LCD display, easy to read current electric energy, cumulative electrical energy. Supports measurement of power, current, voltage, temperature and humidity of connected devices. Electrical energy and timing can be reset. Electric energy and timing have power-off memory function. Rated frequency 45-65Hz. How to use: Click the MENU button on the panel to display the current electric energy and cumulative electric energy. Electric energy reset and timing method: Press and hold the MENU button for 5 seconds, the number in the timing area will flash, then click the button to select timing, current electric energy and cumulative electric energy reset . When the number flashes, double click the button to reset. Hold the button for 5 seconds to save the settings. Specifications: Name: smart electricity meter Material: ABS + PC + VO Model: closed type mutual inductor KWS-AC300-100A < p> Packing list (closed type KWS-AC300-100A): 1 * intelligent electricity meter 1 * mutual inductor 2 * cable Note: The data are all manual measurements, s Please allow 1-3cm error; due to the difference in light and display, there would be some color difference, please refer to the actual object received.