1. You might also like these items. Three styles for NOVOFERM 433mhz Rolling Code remote control 2. 100% Compatible with: 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 3. Access to receiver required. Please make sure you got access to your receiver/opener before purchase. 4. Specifications: Item condition - New; Third party remote control. Not made by NOVOFERM; Decoder IC - Rolling Code; Frequency - 433.92MHz; Operating voltage - 12V DC 27A / cr2032 (Free battery included); Transmit distance - 25-50m in open space. Open space means no any interference. No walls, no doors, no trees or any other obstructions. Interference like garage door or brick wall can reduce remote control range significantly. 5. Buyer's five-star feedback 6. 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 and let it go (ENR, MEMO, PROG, REC according to the model). The LED light on the receiver illuminates or blinks. 3. Press a button on your new remote control for 1 second. 4. Let the button go. The LED light on the receiver turns off immediately or in the following 10 seconds according to the model. Your new remote control is programmed. 7. What is Included: 1 x Remote control, 1 x Battery, 1 x Keychain, 1 x English instruction manual 8. Professional certificate