LockMaster Automatic Electric Gate Opener Double Swing Remote Control Kit 800KGIf you find opening and closing your front gate is a hassle, then the Lockmaster Automatic Swing Gate Opener is just the thing you need. Designed to work with gates of up to 5. 5m wide and each weighing 400kg, the automatic swing gate opener is operated by a powerful 24V 50W DC motor that runs off power from the mains. In essence, there is ample energy to work the gates in the event of any power outage. A manual release key is also included. Not