1/3/5/10/20 Pieces of Marantec Digital 302, 433 MHz D302, D304, D313, Comfort 220, Comfort 250, 252, 270, AZ021, 64176 Garage Door Remote Self - Replicators Marantec 433.92 MHz Remote Controls - **Operating Frequency**: 433 MHz, 433.92 MHz. - **Coding Type**: Self - replication - **Code**: Fixed code - **Buttons**: 2 or 4 - **Rated Voltage**: CR2032/12V 27A battery (included) Marantec 433 Marantec Digital 382, 433 Marantec Digital 384, 433 Marantec Digital D302, 433 Marantec Digital D304, 433 Marantec Digital D313, 433 Marantec Digital D321, 433 Marantec Digital D323, 433 Marantec Command 131, 433 Marantec Digital 211, 433 Marantec Digital 212, 433 Marantec Digital 214, 433 Marantec Digital 221, 433 Marantec Digital 222, 433 Marantec Digital 224, 433 Marantec Digital 231, 433 Marantec Digital 232, 433 Special Reminder Please ensure that your remote control is in the compatibility list. Programming Method Copy your original remote control face - to - face # Step 1: Clear the historical codes in the replicator 1. Press and hold buttons A and B until the LED flashes 3 times. 2. Release button B (while still holding button A), then press button B slowly 3 times. The LED will flash. 3. Release button A to complete the code clearing. # Step 2: Copy the codes from the original transmitter 1. Place the replicator as close as possible to the original transmitter. 2. Press and hold button A on the original transmitter, then press and hold button A on the replicator until you see the LED on the replicator flash. 3. Release both buttons to complete the code copying. Copy the codes of other buttons in the same way. Copy your existing remote control for a backup at any time 1. Vehicle central locking system 2. Garage door 3. Electronic door 4. Electrical appliances/home automation devices, such as lights 5. Car sunroof 6. Car/motorcycle alarm Items Included - Remote control - Battery - English instruction manual