Specifications Model Number: NOVOFERM AES 128 BIT. Certification: CE. Name: NOVOFERM Remote Control 433.92MHz. Code: AES 128 BIT. Frequency: 433.92MHz. Compatible with: AES 128 BIT Mini-Novotron 522, AES 128 BIT Mini-Novotron 524, AES 128 BIT Mini-Novotron 522 Design, AES 128 BIT Mini-Novotron 524 Design, AES 128 BIT Mini-Novotron 523 Protect, NOVOFERM MCHS43-2, NOVOFERM MTR43-2, NOVOFERM MNHS433-02, NOVOFERM MNHS433-04, NOVOFERM NOVOTRON 502 MAX43-2, NOVOFERM NOVOTRON 504 MAX43-4, NOVOFERM NOVOTRON 512 MIX 43-2, NOVOFERM MINI-NOVOTRON 522, NOVOFERM MINI-NOVOTRON 524, NOVOFERM MINI-NOVOTRON 522 Design, NOVOFERM MINI-NOVOTRON 524 Design. Access to receiver required. Please ensure you have access to your receiver or opener before purchase. Condition: New. Third party remote control. Not made by NOVOFERM. Operating voltage: CR2032 (battery included). Transmit distance: 25-50m in open space. Open space means no interference such as walls, doors, trees, or other obstructions. Interference like a garage door or brick wall can reduce remote control range significantly. Default is the old code, press and hold buttons 1 and 2 simultaneously to switch to the 128 BIT new code. Programming instruction: 1. Open the casing of your receiver. It is located next to your motor. 2. On the receiver circuit board, press the programming button (ENR, MEMO, PROG, or REC according to the model) and release it. The LED light on the receiver illuminates or blinks. 3. Press a button on your new remote control for 1 second. 4. Release the button. The LED light on the receiver turns off immediately or within 10 seconds, depending on the model. Your new remote control is programmed. What is Included: 1 x Remote control, 1 x Battery, 1 x Keychain, 1 x English instruction manual.