<p>Compatibility: Compatible with models GT4, GTI2, GTI4, GTI2N, GTI4N, GTI2M, GTI4M, and GENIE models 273, 273L. Also works with TR2, TR4, TR2N, TR4N garage door openers Advanced Security: Features 433.92MHz rolling code technology to help prevent unauthorized access by ensuring the signal changes with each use Durable and Reliable: Designed to perform in various weather conditions for long-lasting operation Easy Programming: Simple setup process allows quick synchronization with existing garage door opener systems Name: Remote Control Applicable Model: Series Remote Control Color: As shown in picture Material: Plastic Package Contents: 5 x Remote Control Note: Other items not included. Lighting and monitor settings may cause slight color differences between image and actual item. Measurement may vary by +\/- 1-3 cm.</p>