Marantec 433.92MHz Remote Control Working frequency: 433.92MHz. Encoding type: Fixed code. Buttons: 2 or 4. Rated voltage: CR2032/12V 27A Battery (included). Compatible with 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. Important: 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 the duplicator 1. Press buttons A and B simultaneously until the LED flashes three times. 2. Release button B while continuing to hold button A, then press button B three times slowly. The LED will flash. 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 the copying process. Repeat for additional buttons. Duplicate your existing remote controls to have a backup for: - Garage doors - Electronic gates - Home automation systems (e.g., lights) - Vehicle central locking systems - Car sunroofs - Car or motorcycle security systems Package includes: - 3 x Remote Controls - 3 x Batteries - 1 x English Manual