Plug in click & start saving energy & money The ecobuttonand 153 illuminates as a reminder to press it activating the most economical sleep mode available Cuts power to your PC & monitor When you return to your computer you will INSTANTLY continue where you left off No need to restart you computer Savings in both electricity & carbon footprint are displayed on screen Over time you will use less energy & reduce your carbon footprint The ecobuttonand 153 is an illuminating USB (Universal Serial Bus) device that acts as a reminder & a prompt for the user to press the ecobuttonand 153 at every opportunity whenever the computer is going to be left idle. This is because people generally do not like turning off their computers because of the time it often takes to restart. Therefore the ecobuttonand 153 is ideal if you take a phone call or a break do paperwork or go to lunch & meetings where otherwise the computer would normally be left on. When the ecobuttonand 153 is pressed it engages the computer into energy saving ecomode. This ensures that both the computer & monitor are set to operate in the most efficient & lowest power mode available which actually draws only the same nominal power as when the computer & monitor are turned off When you need to use the computer again simply press any key to instantly return to where you left off