1. Voltage: AC50-300V 2. Current: 0-100A 3. Power: 0-30KW 4. Capacity: 0.01-19999Kwh 5. Timing: 0-200H Colour:Black Material:plastic Model:AC300-100A Temperature: -10 C to 99 C Product Function: 1.Volage curent, power, iming. humilyCurrent electical energy,cumulative electrical energy 2. Electic energy and uming can be reset 3. Electic energy and iming have power down memory uncion 4. Rated frequency 45-65Hz Operating Instructions: Click the MENU button on the panel to view the current electrical energyand cumulative electrical energy. Electric energy and timing reset method: Press and hold the MENU button for 5 seconds, the number in the timingarea will flash, then click the button to select timing, current electricalenergy and cumulative electrical energy reset. When the number flashes,double-click the button to reset. Press and hold the button for 5 secondsto save the settings. note:Printing words are random, no specified words are accepted Package Contents: 1 x Meter 1 x Closed-end transformer Only the above package content, other products are not included. Note: Light reflection 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.