data on screen on

used in combination with data off when screen on, this rule enables the data when the screen is on to conserve battery. it only does this when it is not connected to wifi

data off when screen is off

used in combination with data on when screen on, this rule disables the data when the screen is off to conserve battery. it only does this when it is not connected to wifi

at work

This puts the fone in vibrate mode and switches the WiFi on