The Apollo 1550ETL is a solar compatible swing gate operator for swing gates up to 16 ft. and 600 lbs. and now includes a built in receiver. This model has many features not available on the 1500 model. This 12VDC gate opener is suitable for commercial and moderate duty applications. Advanced circuit board with soft start/stop feature and UL325 Compliant with corrosion resistant housing. Two year factory warranty!