a.Summary: DY-TGK01 type microcomputer time-control switchis a power switch control appliance composing of single slice micro processor as center matching with electronic circuit.it can prearrange 20 times different on/off controlling every day,and prearrange on/off for one week ad well,it has the function of liquid crystalindicating clock,count down(turn off for delaying time),daylight saving time as machine (withstand resistance)and 12/4 hours transferring.The machine sets a charging nickel-hydrogen battery as the emergency power,so,you can keep timing indication and store varies of data more than 6 months under being lack of the electric supply power,Because the product writes the automatic on/off process,time-control switch can operate withweeks and is efficient for long time,and it can turn on and off as your requirement. the product chooses excellent materialand element,it has characteristic of small size,high power,reliable and stable,adopting the way of power input and output connection,applying for street lamp,lamp house,neonlamp,electrical water heater,oven and so on location fixed installation for electric appliance. The product connected to with AC contactor to control all kinds of high power electric appliance. b.Performance: ※ Standard:GB/T14536.1-1998GB/T14536.8-1996 ※ Rated voltage:220V-50HZ ※ Rated current:20A(resistant performance) ※ Operation temperature:-10-55°C ※ Timing range:1 minute---168 hours ※ Time error:<±2s/day ※ Motion type:1.B.S.U c.Function and usage: The product accords with users setting time to open automatically and close all kinds of power for consumer,controlling object is street lamp,neon lamp,advertisement shop sign light,production appliance,TV appliance and so on electric appliance and household appliances required for timing open and close