Featuring a STRONG 350W 1/2 HP DC motor with low power consumption, TOPENS DK1000S Sliding Gate Opener is designed for HEAVY DUTY sliding gates up to a maximum of 1800 lbs. in weight and 40’ in length. Powered by the AC source or by the battery & solar panel, the durable and reliable motor made by pure-copper wire brings a superior performance. The ultra-quiet system provides a long operating life with minimum maintenance requirement.