1) Digital timer swich with count down function . 2) Big screen and smart design Digital timer switch, programmable, switch off the different elelctronic devices. Technical data: 1) Rechargeable Ni-MH bettery. 2) Min setting time: 1min. 3) Max setting time: 7 days 4) Program per day: 20 ON/OFF 5) Power Source: 230V~-250V~, 16A/21A, 50Hz 110V~125V~, 15A/21A, 60Hz