Condition: 100% brand . All parts are tested and quality controlled prior to shipment to ensure reliable performance. What this product does: Direct replacement garage door opener remote controls compatible with the listed Chamberlain and Liftmaster models. Restores remote access to your garage without replacing the entire opener. Key benefits Quick replacement for lost or damaged remotes so you can regain secure access immediately. Fully tested units reduce the risk of intermittent operation or failures. Includes two remotes for a spare, household use, or to share with a family member. Important compatibility and fitment details Only works for openers manufactured from 19935/1997 with a GREEN learn button. Fits for Chamberlain: 750CB, 753CB, 740CB, 850CB, 853CB, 959CB, 856CB, Keyless entry 740CB. Fits for Liftmaster: 50LM, 53LM, 54LM, 61LM, 62LM, 63LM, 64LM, 81LM, 82LM, 83LM, 84LM, 99LM, Keylss Entry 65LM, 66LM (Please refer to the description below for specific models). Function and performance Replaces original remotes for the listed models and uses the opener's standard learnbutton programming process. Quality controlled components provide consistent signal transmission and reliable button response. Package contents 2pcs Garage Door Opener Remote Control Replacement (as pictured). Typical use scenarios 1. a lost or broken remote so you can open your garage from a vehicle again without professional service. 2. Keep a second remote in the house or with a partner to avoid sharing a single transmitter. 3. Provide a spare remote for seasonal use (garage access for guests, maintenance personnel, or caretakers). Notes for buyers Confirm your opener has a GREEN learn button and was manufactured in the specified period before . Refer to your garage opener's manual for the correct programming steps after installation.