1/3/5/10/20pcs Clone Marantec Digital 302 433 MHz D302 304 313 Comfort 220 Comfort 250 252 270 AZ021 64176 Garage Gate Remote Control Self-copy Marantec 433.92MHz Remote Control Working frequency: 433MHz, 433.92MHz Encoding type: Self Copy Code: Fixed code Buttons: 2 or 4 Rated voltage: CR2032/12V 27A Battery (included) Compatible with following 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 Special reminder: Please make sure that your remote is on the compatibility list. How to program: Face-to-face copy from your original remote control Step 1: Clear the history code from duplicator 1. Press button A and B continuously until LED flashes 3 times 2. Release button B (keep pressing button A), then press button B slowly 3 times until LED flashes 3. Release button A to finish code clearance Step 2: Copy code from original transmitter 1. Place the duplicator close to the original transmitter 2. Press and hold button A on the original transmitter, then press and hold button A on the duplicator until the LED flashes 3. Release both buttons to complete code copying. Repeat for other buttons as needed Duplicate your existing remote controllers for backup use: - Vehicle central locking systems - Garage doors - Electronic gates - Electrical appliances / Home automation (e.g., lights) - Car sunroofs - Car or motorbike alarms Package includes: - Remote control - Battery - English manual