The Mighty Mule MM-SL2000B electric Gate Opener is a slide gate opener that is ideal for heavy duty commercial or residential single slide gates. The operator is designed for gates weighing up to 1000 lbs. and up to 30 ft. in length that allows for a 20 ft. opening. For dual panel applications, the Mighty Mule Dual Slide Operator (MM-SL2200B) is required. Included is a standard safety feature; Internal Friction Brake Lock that locks the gate in the closed position for added safety and security. Also includes an adjustable obstruction sensor, gate sequencing and auto close settings. The operator can be programmed for left to right or right to left opening.