There are many combinations such as hourly, daily, weekly and days of the week, for the on/off settings. This Digital Timer has a built in battery backup to ensure your timer settings are saved in the event there is a power loss.
Input Voltage : 230VAC (50Hz)
Switching Interval : 1 minute minimum
Max Output Current : 16A
Max Load : 3680W
Memory Backup : 1 LR44 1.5V
Remark : Europe, UK, USA and Asia type socket and plug is available for SK440