This Energy Power Meter helps save energy, the environment and money. It calculates the power consumption and running costs of any domestic electrical equipment. Simply plug in to a socket and the LCD display will show the mains voltage, current consumption and costs of running equipment connected to it. Perfect for home or office use it helps you save money and reduce your carbon footprint by detecting power hungry devices. Save energy. Save money! Leaving electrical equipment on when not in use or in stand-by mode needlessly wastes energy and money as well as reducing the life span of equipment. Save energy, money and reduce your carbon footprint with LINDY\'s range of eco friendly power saving devices. Suitable for measuring the power consumption of any domestic electrical equipment. Can help you save energy and help reduce your carbon footprint. Package Contents: UK Energy Power Meter 2 x LR44 Batteries User manual