1/3/5/10pcs Marantec Digital 302 304 313 382 384 D323 211 212 214 224 Garage Door Remote Control 433MHz Handheld Transmitter 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 Digital 382, 384, D302, D304, D313, D321, D323, Command 131, Digital 211, 212, 214, 221, 222, 224, 231, 232 models operating at 433MHz 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 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 duplicator's LED flashes 3. Release both buttons to complete code copying; repeat for other buttons Duplicate your existing remote controllers for backup use: - Garage doors - Electronic gates - Home automation systems (e.g., lights) - Vehicle central locking systems - Car sunroofs - Car or motorbike alarms Package includes: - Remote control - Battery - English manual