A. Available in quantities of 1, 3, 5, 10, or 20 pcs. Clone Marantec Digital 302 433 Mhz D302 304 313 Comfort 220 Comfort 250 252 270 AZ021 64176 Garage Gate Remote Control Self-copy 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: CR2032/12V 27A Battery(included). H. Compatible models: 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 make sure that your remote is on the compatibility list. J. How to program K. Face to face copy your original remote control L. Step 1: Clear the history code from duplicator 1. Press button A and B continuously until LED flash 3 times. 2. Release button B (Keep pressing button A), and press button B slowly for 3 times, LED flash. 3. Release button A, finish code clearance. M. Step 2: Copy code from original transmitter 1. Put duplicator aside of original transmitter, as close as possible. 2. Press and hold button A of original transmitter, then press and hold button A of duplicator until you see the duplicator's LED flash. 3. Release both buttons, finish code copy. Copy other buttons in the same way. N. 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 O. Include: 1. Remote Control 2. Battery 3. English Manual