Mercury Appliance Power Meter UK plug 429.859UK Plug through UK power meter that measures electricity usage and calculates the running costs of household appliances. The large easy to read display indicates current usage in Watts, Amps, Volts or KWh and also provides an indication of your electricity costs after you have entered your tariff details. The unit also incorporates overload protection and has an inbuilt rechargeable battery to save your settings and data during a power failure. Ideal for monitoring and reducing energy costs Large easy to read LCD display 7 Display modes including Watts, KWh, Volts, Amps and current energy cost In-built rechargeable battery keeps settings and data stored during a power failure Integral overload protection Voltage: 180VAC~250VAC Frequency: 47Hz~63Hz Max. current: 13A Accuracy: +/-2% Dimensions: 155 x 70 x 70mm Weight: 180g