LONG LIFE --- the output is a high-power relay, using a long-life silicone button. This time control switch can automatically turn on and off various types of electrical equipment according to a fixed time. HIGH PRECISION --- time error is less than 1s per day. The KG316T microcomputer timer is widely applied to the programmable control of electrical equipment. You can activate and deactivate 16 groups each day, the errortime is less than 1s per day. SET ON & OFF --- You can turn on and off 16 groups every day, easy and convenient to use. The keyboard is locked to prevent default operations. CALIBRATION FUNCTION --- The timer has the function of correcting/calibrating the clock and also improving the anti-jamming ability. SPACE SAVING----Easy indoor mini set. The outlet timer takes up very little space and can be stacked on top of a regular wall switch without blocking the other outlet.