Fully Automatic Control, Avoid Over flow, Longer life no mechanical system 3 position switch with Bypass, Cut Off, and Working modes for complete flexibility Dry Run Protection, Dual tank sensors, Indication of both tank Power on delay time 8 sec to avoid power surge on motor. Automatic Water Level detection, Avoid Overflow, Longer life no mechanical system Microcontroller based design - Power failure Protection (Not start motor every time on power fail and comeback) 20 Ampere Relay, 230 Volt