Thistimer switch could automatic turn on/off all kinds of electric equipment according to the time user set. With high precision and strong anti-interference ability, the timer switch is great for controlling street lamps, neon lamps, production equipment, radio and television andmany other home appliances.Features:Advancedpre-setting one week before.Digital electronic timer switch with daily programs.Repeat programs with 17 on/off setting and manual over-ride.Lithium battery power reserve when electric supply cut off.Auto timer error correction +30sec,weekly.Panel mounted.Specifications:Input Voltage: 24VAC/DC, 110VAC, 220VAC (Optional)Contact Voltage Rating(Output): 220V to 250VAC 50/60HzHysteresis: 2 sec/day (25C)ON/OFF Operation: 17 ON/OFFPower: 7.5VA (MAX)Display: LCDMinimum Interval: 1 minuteSwitching contact: 1 changeoverswitchPower: Lithium batteryOperating Temperature: -10C to +40 CHumidity: 35~85%RHInstruction:1 .Press C button to power on switch.At first, press "time"button (in bottommiddle of C and C/R), then press D+,H+,M+to set the clock to present time.Programming:StepButtonProgramming1Press PSetting 1 ON time(display 1on)2Press H+/M+Setting hours and minutes3Press D+Select same every day, different every day, MO-FR,MO-SA, SA-SU, MO WE FR, TU TH SA, MO-WE, TH-SA.(lf same every day, no need topress this button)4Press PSetting 1 OFF time (display 1off)5Press H+/M+Setting hours and minutes turn off time6Press D+If you want the same setting every day, you need notpress this button7Repeat step 2~6Set 2-17 on/off time8Press "time"EndIf the setting is wrong, please press C/R tocancel or reset the programs.If all buttons are locked(no response), press and hold C/R for 8 seconds to unlock.If you do not need 17 on&off settings, press "time" to end.Package Includes:1 x Timer SwitchNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.. Have a great time shopping!