Electronic Weekly 7 Programmable Digital Time Switch Relay Timer Control 220V 230V 30A Din Rail Mount brand new and high qualityPortable and durable, easy to carry, lightweightPanel mountedAdvanced pre-setting week beforeDigital electronic timer switch with daily and weekly programsRepeat programs with max 17 on/off setting and manual overrideLithium battery power reserve when electric supply cut offIdeal household use in DB Boards3500 Watt / 16 Amps24 hours / 7 a week programmableBuilt-in battery for backup the memory when power failureAuto time error correction +/- 30 sec, weeklySpecifications:Operation Voltage: 220-240VFrequency: 50/60Hzswitch capacity: 16A/250VInductive load: 5APower consumption: 2WAmbient temperature: -10-+40Error correction: 1 sec/day(+20)Battery backup: 60daysMinimum programmable time: 1 minuteMaximum programmable time: 168 hoursMaximum programs: 17 ON + 17 OFFAmbient humidity: 35-85%RHColor: As the picture shownSize: 8.5 x 6.6 x 3.6cmPackage Included:1 * Time Relay Switch1 * User ManualNotes:please allow 1-3cm errors to the actual dimension due to manual measurement! Thank you !Real color may slightly different from pictures due to computer screen's resolution, brightness, contrast etc.If you have any question, please contact us before leave negative feedback, we will try our best to serve you, thank you for your understanding!HOPE YOU HAVE A NICE SHOPPING!