Features Extend Appliances Life: This programmable time switch adopts 20 times On Off, extending the life of your appliances. Real Time Control: This programmable timer switch supports real time control, 7 days or 24 hours preset cycle timing control. Programmable Design: This 30A timer switch minimum 1 second timing and maximum 168 hours programmable time LCD Display: This digital timer switch is designed with LCD digital display, which is very easy for you to read the data. Compact Design: This time relay switch features accurate and compact design, 35mm standard guide rail installation. Specification: Item Type: Digital Timer Switch Material: ABS Rated Current: 30A Operating Voltage: AC 220-240V Minimum Timing: 1 Second Maximum Programmable Time: 168 Hours On/Off Operation: 20 Times On Off Load Capacity: Resistive Load: 30A/250V AC Light Load: 200W Programmable or Not: Programmable Operating Temperature: Minus 10 to 55℃ Battery: NI MH 3.6V 80mAh Button Battery x 1 (Inbuilt Battery Included) Package List: 1 x Digital Timer Switch Package List 1 x Digital Timer Switch