Item No: 19-2848 Brand: Elkhart SupplyMfg No: LPT50BRDWt: 7.95UPC: 765053382465
It switches from power cord to generator by simply starting generator. Switch to inverter power by disconnecting generator and power cord. Measures 8-1/2 inch length x 4-1/2 inch width x 8-1/2 inch height. Relay based with terminal block.