Keeping an eye on your electricity has never been easier with the Owl wireless energy monitor. Owl helps in the fight against climate change and is set up to help millions of households realise just how much electricity (and money) we waste in our homes. Owl is a household electricity monitor that provides instant feedback and historical data with respect to the cost of electricity used, the amount of energy consumed and the amount of greenhouse gas emissions per hour.By turning lights or appliances on or off, Owls' easy to read LCD monitor reveals exactly how electricity fluctuates, how the cost of electricity changes per hour and how much harmful CO2 emissions the home is producing. Product features. Wireless electricity monitor. Monitors and displays real time and historical electricity cost per hour, electricity usage and green house gas emissions. Up to 4 tariff rates can be selected/set. Alerts user to peak load electricity limits. Time and date display. Room temperature display. Large LCD display. Portable monitor. Wireless operation. Easy clip on sensor. DIY fit. Easy to read, easy to use, easy to install. Display can be used with mains adaptor (not supplied) Alarm function set your own peak usage. Requires 6 x AA (LR2) batteries, included. Transmitter has auto battery save function. Easy clean facia. Neutral colour. Water resistant transmitter for outside locations. Single phase with 3 phase capability. Monitor with integral stand.