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: Fixed code Buttons: 2 or 4 Rated voltage: CR2032/12V 27A Battery (included) Compatible with: 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 your remote control model is on the compatibility list. Programming instructions – Copy code from original remote control: Step 1: Clear previous codes from duplicator 1. Press buttons A and B simultaneously until LED flashes 3 times 2. Release button B while continuing to hold button A, then press button B 3 times slowly until LED flashes 3. Release button A to complete code clearance Step 2: Copy code from original transmitter 1. Place the duplicator close to the original remote control 2. Press and hold button A on the original remote, then press and hold button A on the duplicator until the LED flashes 3. Release both buttons to complete copying. Repeat for other buttons as needed This remote can be used to duplicate existing remote controls for backup purposes, suitable for: - Garage doors - Electronic gates - Home automation systems (e.g., lights) Package includes: Remote control Battery English manual