... term use.3.Working light ,power indicator clearly.4.Switch three mode: on, off, automatic at any time ... current time period set.8.”Mode”button: control mode switch: on, off, automatic.1.Press clear button ... the timer to the current time by timer,while press the "clock"button, pls press"week", "hour" and "minute" ... plug inserted into the socket of the timer, the timer connect with power,it must be on ...