Description: This product is for the quartz circuits to compose the pulse per second (PPS) trigger circuit to output the driven stepper motor, drive the bellspur gear driven hour hand for indication, which are all distributed on the 24-hour dial for timing circuit switch over, achieve the aim of controlling the time. Every toggling button needs 30minutes, the user can according to the time needed to toggle the buttons on the clockface for automatic control,every day can according to the original time to carry out the repeat control. High precision of control tine, directviewing of clockface, when cut off the power, can normal work for 200300hours ,output power is 250V 16A , the occasions of civilian use or industrial electricity which need timing control, such as neon light, water heater, street lamp, stair light, cultivation, garden irrigation, motor, advertising box, automatic control of office equipment and so on, all can automatic control according to the needed time. Specification: 1) time range: 24 hours 2) contact capacity: 16a, 220v ac 3) coil voltage: ac 110v, 220v, 230v, 240v 4) electrical life: 100,000 times 5) mechanical life: 10,000,000 times 6) working reserve time: 150 hours with battery 7) minimum setting unit: 30 minutes 8) set-up times: 48 times 9) operating temperature: -40 - +50°c Package Includes: 1 Piece Auto Controller Time Switch