Do not connect two or more wires together!For indoor use only! Do not connect devices with loads exceeding 16 amps.Always make sure that the plug of each appliance is fully inserted into the outlet.If you need to clean the meter, please unplug the power plug and wipe the meter with a dry cloth.How to use "mode"?Press "MODE" for 3 seconds to enter the electricity tariff /KWH setting. Power + voltage - cumulative electricity Kwh, cumulative electricity charge - + electricity charge /KWh + power (real-time data is refreshed every 1 second).UPPress "UP" to adjust.Press the "MODE" key to select the next number.Press and hold "MODE" to exit settings.It will automatically return to the interface after not pressing for 10 seconds.resetIf an exception is displayed or the button does not respondthen the device must be reset. To do this, press the RESET button.