You might also like these items.Three styles for NOVOFERM 433mhz Rolling Code remote control99% Compatible with:NOVOFERM MCHS43-2NOVOFERM MTR43-2NOVOFERM MNHS433-02NOVOFERM MNHS433-04NOVOFERM NOVOTRON 502 MAX43-2NOVOFERM NOVOTRON 504 MAX43-4NOVOFERM NOVOTRON 512 MIX 43-2NOVOFERM MINI-NOVOTRON 522NOVOFERM MINI-NOVOTRON 524NOVOFERM MINI-NOVOTRON 522 DesignNOVOFERM MINI-NOVOTRON 524 DesignAccess to receiver required. Please make sure you got access to your receiver/opener before purchase.SpecificationsItem condition - NewThird party remote control. Not made by NOVOFERMDecoder 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.Buyer's five-star feedbackProgramming instruction1. 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.What is Included1 x Remote control1 x Battery1 x Keychain1 x English instruction manualProfessional certificate, quality assurance