A. Available in packs of 1, 3, 5, 10, or 20 pieces, Clone Marantec Digital 302 433 Mhz D302 304 313 Comfort 220 Comfort 250 252 270 AZ021 64176 Garage Gate Remote Control with self-copy function. B. Marantec 433.92MHz Remote Control C. Working frequency: 433MHz, 433.92MHz. D. The encoding type: self Copy E. Code: Fixed code F. Buttons: 2 or 4 G. Rated voltage: Powered by CR2032/12V 27A Battery (included). H. Compatible models include: 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. I. Special reminder: Please ensure that your remote is on the compatibility list. J. How to program - Face to face copy your original remote control 1. Step 1: Clear the history code from duplicator a. Press button A and B continuously until the LED flashes 3 times. b. Release button B (Keep pressing button A), and press button B slowly for 3 times, the LED will flash. c. Release button A, code clearance is completed. 2. Step 2: Copy code from original transmitter a. Place the duplicator beside the original transmitter as close as possible. b. Press and hold button A of the original transmitter, then press and hold button A of the duplicator until you see the duplicator's LED flash. c. Release both buttons, code copy is completed. Copy other buttons in the same way. K. Duplicate Your Existing Remote Controllers so you always have a backup: 1. Vehicle central locking systems 2. Garage doors 3. Electronic gates 4. Electrical appliances/Home automation i.e. lights 5. Car sunroofs 6. Car/Motorbike alarms L. Included items: 1. Remote Control 2. Battery 3. English Manual