Marantec Digital 302 304 313 Comfort 220 250 252 433.92MHz Garage Remote Control 433MHz Fixed Code Transmitter Gate Keyfob 1/3/5/10/20pcs Clone Marantec Digital 302 433MHz 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 Marantec models: Digital 382 433, Digital 384 433, Digital D302 433, Digital D304 433, Digital D313 433, Digital D321 433, Digital D323 433, Command 131 433, Digital 211 433, Digital 212 433, Digital 214 433, Digital 221 433, Digital 222 433, Digital 224 433, Digital 231 433, Digital 232 433 Special reminder: Please ensure 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 buttons 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 complete code clearance Step 2: Copy code from original transmitter 1. Place 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 duplicator's LED flashes 3. Release both buttons to complete code copying; repeat for other buttons 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 / Motorbike alarms Includes: - Remote control - Battery - English manual