<br>877Max 878Max Wireless Garage Opener Compatible brand models: The 877Max 878max wireless garage door opener is compatible with Liftmaster Chamberlain Craftsman Garage Door Openers manufactured since January 1993 , Product adaptation models are mainly Security + 2.0 with yellow learn button, 315 MHz Security + with purple learn button, 390 Security + with red or orange learn button, and 390 MHz Billion Code with green learn button.Our products are the perfect replacement for old 877max 878Max keypad.877Max 878Max Opener keyboardStrict quality control: Each of our 877Max 878Max Wireless Garage Door Opener must be tested by multiple professional procedures before leaving the factory, and with manual sampling inspection.and the quality is trustworthy.Attentive after-sales service: Our service will accompany you to buy and use our products, we will provide you with return and warranty service, in the process of your purchase or use of our products, any problem, please feel free to communicate with us, our professional after-sales staff will reply promptly and help you solve the problem. What you buy is not only our products, but also our caring service.877Max 878max Upgrade New Features877Max 878Max is newly upgraded with powerful functions such as temporary password, one-touch closing, controlling multiple garage doors, etc., which meets more of your needs and realizes more application scenarios.877Max 878Max Garage Door Opener Humanized design: Our keyboard type 877Max garage door opener adopts wireless remote control design, which is more convenient to use, and has a backlit keyboard and a weatherproof flip cover, which will not affect the use in dark environments; the surface of the product is smooth ABS material , the overall color is gray, it is resistant to dirt and does not cut hands, which optimizes the user experience and improves the service life of the product.<br>