Chamberlain LiftMaster LA400DC Swing Gate Opener Access your property like never before. With MyQ® Technology you can monitor and control your gate from anywhere and get in quickly and securely with the built-in interference eliminating Security+ 2.0™ radio. Best in class power management technology extends battery backup for up to 97 days* without recharging, providing greater security and reliability. No one else can offer you that peace of mind. Connectivity MyQ Technology enables you to securely monitor and control your gate operator and houselights with your smartphone for greater peace of mind. Alerts can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your gate operator. MyQ Mobile App is a free download with no annual activation fee. Performance Battery Backup safeguards your property by providing up to 400 cycles* or up to 97 days* of standby power when the power is down. Solar Ready Ultra Reliable System delivers power when you need it most to operate the gate and is extremely power efficient at all other times to maximize solar performance. Home owners may qualify for 30% solar tax credit. Heavy-Duty Cast Aluminum Housing DC Motor powerful enough to perform in the most demanding applications. Soft start/stop operation extends operator and hardware life for heavy-duty gate use. Gate Size rated for gates up to 16 ft. in length or weighing up to 850 lbs.. Safety and Security Security+ 2.0™ Patented Multi-Frequency Secure Radio Technology virtually eliminates interference and offers 2X the range of standard remotes so you can access your home quickly and safely. Safety Inputs provided for the addition of safety reversing devices. Each entrapment point should be protected with its own device. UL/cUL Listed tested to the most stringent industry guidelines.