You might also like these items. Three styles for NOVOFERM 433MHz Rolling Code remote control. 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. Access to receiver required. Please ensure you have access to your receiver or opener before purchase. Specifications: Item condition – New Third-party remote control. Not made by NOVOFERM Decoder IC – Rolling Code Frequency – 433.92 MHz Operating voltage – 12V DC 27A / CR2032 (Free battery included) Transmit distance – 25–50 meters in open space. Open space means no interference. Walls, doors, trees, or other obstructions may reduce signal range significantly. Programming instructions: 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 release (ENR, MEMO, PROG, REC depending on model). The LED light on the receiver will illuminate or blink. 3. Press any 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 now programmed. What is included: 1 x Remote control 1 x Battery 1 x Keychain 1 x English instruction manual Professional certification, quality assured