... term use.3.Working light ,power indicator clearly.4.Switch three mode: on, off, automatic at any time ... : set on / off time on each time of hours.4.” Minute”button: set on / off time on ... current time period set.8.”Mode”button: control mode switch: on, off, automatic.1.Press clear button ... controlled electric appliance plug inserted into the socket of the timer, the timer connect with power,it must be on ...