Fangrui Product Details Cn101s 1 Second Interval Timer Clock Weekly Programmable Digital Timer 220v Ac Switch Power Timer Car Timer Timer Days Cn101s Can Automatically Switch On And Switch Off Kinds Of Electric Equipment At A Preset Time. It Is Widely Used In Programmable Control Of Streetlight, Neon Light (sign), Lamp, Water Heater, Air Conditioner, , Electric Cooker, Booster, Sprayer, Bottler, Preheater, Agriculture Facilities And Broadcasting Equipment Etc. The Digital Timer Switch Is Within Battery, To Save The Programs For Power Failiure. It Has The Features Of Low Consumption, High-accuracy Cmos Chip, Strongly Anti-jamming, Simple And Easy To Set. 3500 Watt or 16 Amps, 1no. 24 Hours or A Week Programmable, 1.2v Built-in Battery For Saving The Memory When Power Failure.auto Time Error Correction 30 Sec, Weekly. Power In 220v And Power Output 220v. Size:7.0 Cm X 7.0 Cm X 4.0 Cm Material:absandelectronic Components Colour:white Package Contents: 1 X Timer Switch 1 X User Manual Only The Above Package Content, Other Produc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.