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