Security+® Feature Package 1/2 HP premium heavy-duty chain drive motor Equipped  with   PosiLockTM -stops intruders by securely locking the garage door when it is down Includes The Protector System® - projects an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while door is going down Includes Quick-ConnectTM wire terminals for faster wire installation Includes a Multi-Function Security+ Remote Control and a premium Multi-Function Control Panel Dual non-yellowing hinged light lenses allows for easy bulb replacement Advanced electronics now allow you to open and close your garage door from greater distances Manual release in case of power failure Lifetime motor warranty