... CE, RoHS and FCC approved. Patented single-phase digital power meter to measure real-time Voltage, Watt, kWh, $, AMPS and ... of energy according to the pre-set price of energy (0~$9999); price of energy can be pre-set to ... the local price by users;5. Operation condition monitor: The indicator ... G.W. (KGS)10.817 Swiss digital power meter, sigle phase power meter for home use