The Garage Door Opener Remote Wall Flip Keypad for Universal Liftmaster 878MAX is a lithium-ion battery-operated wall control unit designed for compatibility with LiftMaster and Universal garage door openers. With a sleek plastic design and a manufacturer warranty of 1 year, this remote includes 3 buttons, operates on a frequency of 315 MHz, and offers smart home compatibility with Amazon Alexa and Wi-Fi connectivity. Perfect for controlling your garage door with the convenience of a wall-mounted keypad, this product also comes with batteries included and features universal compatibility for easy installation and use.