Volent current, power, iming. Current, electric energy, accumulated electric energy Can reset power and confirm Power and power have power-down memory function Rated frequency: 45-65Hz Instructions: Click the "Menu" button on the panel to view the current energy and accumulated energy. Energy and timing reset method: Press and hold the MENU button for 5 seconds, the number in the timing area will flash, and then click the button to select the timing, current energy and accumulated energy reset. When the number flashes, double-click the button to reset. Press and hold the button for 5 seconds to save the setting. Model: AC300-100A Voltage: AC50-300V Current: 0-100A Power: 0-30KW Capacity: 0.01-19999Kwh Timing: 0-200H Temperature: -10 Celsius to 99 Celsius Colour: Black Material: Plastic Package Contents: 1 x Voltmeter 1 x Closed transformer 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.