... Leroy somer,TFW for you chose.(3)Controller system1.Standard control panel, including voltmeter, fequency meter, ampere meter,water temperature ... be with ATS electric control cabinet, including circuit breaker, LCD or LED auto controller, indicating lamp, transfer switch,etc.. ... -off electricity, remote monitoring, automatic parallel operation,etc…(4)Warranty policy Guarantee for one year or 1000 hours ...