Similar to design: suitable for electric door keys, elegant design, compact size and multi-user function are the main features of these remote controls Perfect Compatibility: Designed for seamless use for garage doors, this remote control features 2 channels and is compatible with for Rolling Mitto 2 and for MITTO 2B remote keys. Its precise engineering ensures it works just like the your old. Elegant and Functional Design: This remote control boasts a compact size and a user-friendly design, making it easy to handle and operate. Its elegant appearance complements any set of keys while offering the functionality needed for modern garage doors. Easy Programming Instructions: No need to open the control panel. Start by pressing the top 2 button of an already coded transmitter for 2 seconds, followed by the function button for another 2 seconds. Repeat the process with the new transmitter to add multiple stations without timeouts. Complete Package: Each package includes 3 Mitto B2 remote