Featuring a 24V DC motor that is able to open and shut up to 4.5 meter wide gates weighing up to 500kg this gate opener is surely designed for heavy-duty use. Manual release keys are included for manual operation in case of power outage. There's an immediate stop and reverse mode for obstruction. Made with waterproof and dustproof control box ensuring a long lasting performance. With this purchase you will receive 3 remote controls with a 30m operation range. Full hardware and easy-to-follow instructions are included for your peace of mind too.