배터리 전용: 적응 밝기 제어는 디바이스가 배터리 전원을 켜는 경우에만 활성화됩니다.Because the HVDC converters are quite high priced, we cannot utilize it at any position to faucet electricity from HVDC line. it is only useful for power transmission in between two details about incredibly very long distance over 60