Standard 3 Pin Time Switch, 2 on/offsTemporary override (manual button) Programming: 24 hour with on/off operations Current Rating: 20A Battery Reserve: 100 hours Day omit dialTechnical Specification:Power Supply: 230V AC, 50/60HzProgramming: 24 hour programme with ON/OFF operationsDisplay: 24 Hour dialMounting : SurfaceCurrent Rating: 20A resistive. More Switching Capacity info on requestReserve: 100 hrs (providing battery has been charged for 300 hrs)Day Omission: Selectable Temp Override Facility: Selectable Cable Size: 6.0mm2Timing Accuracy: 5 mins/yearTemperature Range: 0°C to 50°C Live Parts Protection: Enclosure ProtectionDirt and Moisture Protection: IP20Shock Protection: Class 1 (Product must be earthed)Dial Calibration: 15 min divisionsSetting Accuracy: +/- 3 minutesPeriod Between unlike Operations: 15 minutes minimumPeriod Between like Operations: 105 minutes minimumDay Omit Skips On Operation: Q554, Q555, Q559, Q563, Q586Day Omit Skips Off Operation: Q557Dimensions: Height