ELECALL Kg316t Microcomputer Control Switch Lights Controller 220v Power Timer Automatic Timer Switch Standard power supply:220V/50HZPower supply range: 170V-240VConsumption power:<4VATiming control range:1min-168hours10 sets timing every day: Auto or by handTiming Tolerance:<2s/dayEnvironment temperature:-10~50Relative humidity:<95%Dimensions:120*74*50mm