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 models: Digital 382, Digital 384, Digital D302, Digital D304, Digital D313, Digital D321, Digital D323, Command 131, Digital 211, Digital 212, Digital 214, Digital 221, Digital 222, Digital 224, Digital 231, Digital 232 Special reminder: Please verify that your remote model is on the compatibility list before purchase. Programming instructions: Face-to-face copying from original remote control Step 1: Clear 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 the copy process. Repeat for other buttons as needed This remote can be used to duplicate existing remote controllers for backup purposes, including: - 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 user manual