Feature:1. 24 hours / 7 days a week programmable. Repeat programs with 16 on/off settings, and setting on/off manually. Reasonable and accurate designs.2. Countdown function. LCD display with LED indicators, easy to read.3. Suitable 35mm DIN Rail mounted, maximum 24 hours countdown to OFF.4. 16 ON/OFF programs per day, 15 combinations to a week, practical use.5. Large capacity built-in battery CR2450 for back-up the memory (save the programs you set) when power failure. Reliable and safety to use.Specification:Condition: 100% Brand NewItem Type: Timer Switches Material: Plastic Functions: Clock display(12hr/24hr format), Timer, Countdown Power Supply:200-250V ACCapacity:30A 5000WTiming Range:1min~168hoursPrograms:16 ON/OFF per dayPower Consumption:<5VAAverage Error:<2sec/dayTemperature Range:-10~50 Humidity :<95%.Package List:1 x Timer Switches 1 x Manual