5 socket energy saving extension lead for use with PC & laptop equipment 4 sockets with automatic standby shutdown 1 permanently on socket Use button on fly lead to turn back on 1.5m mains cable 1.3m restart switch lead length Standby power learning function Indicator light The Automatic Standby Shutdown reduces the energy wasted by leaving your computer equipment in standby. It will automatically cut the power to you appliances by recognising when they are in standby. This will reduce your energy use & save you money.br There are 4 controlled sockets that may be used with your printer monitor scanner etc. There is also one permanently on socket for appliances that require continuous power. Use the button on the fly lead to switch back on.