This Chamberlain Garage Door Opener is smooth running, even in the most extreme temperatures. The enclosed drive screw makes it completely maintenance-free, for years of trouble-free, dependable use. It comes with two remote controls, a multi-function control panel and Security+ anti-burglary technology that assures a new code is sent every time the remote is used.

• 1/2 HP Screw-Drive Garage Door Opener
• Mfr. item number - PD432D
• Enclosed, maintenance-free screw drive
• No metal-to-metal contact for smooth & quiet operation
• Self-lubricating rail is also maintanance-free
• Motor vibration isolation system eliminates power head vibration
• Security+ technology sends a new code every time the remote control is used
• PosiLock theft protection assures that once the door is closed, it stays locked
• Manual release handle in case of power outage
• Includes two single button remotes
• Multi-function wall control panel
• Strong, reliable 1/2 HP drive
• Quick install rail for efficient installation
• Weight: Approximately .08 pounds
• Shipping Dimensions: Approximately 2.5 x 2.5 x 1.13 inches.