Universal Compatibility: This 371lm garage door opener remote is compatible with Yellow, Purple, Green, Red/Orange learning buttons for Liftmaster/Chamberlain/Craftsman garage door openers since 1993. Not compatible with dip switches. The remote works with Liftmaster 371LM and Chamberlain 950ESTD models. Please verify the color of your garage door opener's learning button before ordering. Wide Adaptability: This 371lm remote fits garage door openers with Yellow learning button (Safety+2.0), Purple learning button (315MHz), Red/Orange learning button (390MHz), and Green learning button (390MHz Billion Code). It can replace models 370LM, 371LM, 372LM, 373LM, 374LM, 891LM, 950CD, 953D, 139.53753, 41A6127-1, 971LM, 972LM, 973LM, 974LM, 970LM, 139.53681, 139.53680, 81LM, 891LM, 893LM, 139.18191, 139.18192, 139.53752, 139.53753, 139.53754, HBW2028, and 53681. High Practicality: The 371LM remote operates one garage door opener and door operator. Before programming, ensure the garage door is closed. For best results, stand close to the garage door opener during programming to ensure successful setup. High Security: This universal remote uses Security+ 2.0 rolling code technology, generating a new code each time for enhanced security. It features three buttons that can control up to three separate garage doors. Color may vary slightly between production batches due to manufacturing variations. This does not affect functionality. Color: As shown in photo Material: Plastic Package Contents: 2 x Garage door remotes Note: Light reflection and screen settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3 cm.