NOVOFERM garage gate remote control compatible replacement handheld transmitter with rolling code 433.92MHz key fob Product: NOVOFERM Compatible Replacement Remote Control Rolling Code 433.92MHz Please check compatibility from the list below before purchase. Ensure your original remote control matches the brand and model listed. If not, do not purchase. For questions about compatibility, prior to buying. 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. Ensure you have access to your receiver or opener before purchasing. Specifications: Item condition – New Third-party remote control. Not manufactured by NOVOFERM Decoder IC – Rolling Code Frequency – 433.92MHz Operating voltage – 3V CR2032*1 (Battery included) Transmit distance – 10-150m in open space. Open space refers to no interference. Obstructions such as walls, doors, trees, or other structures may significantly reduce signal range. Programming instructions: 1. Open the casing of your receiver. It is located next to your motor. 2. On the receiver circuit board, press and release the programming button (labeled ENR, MEMO, PROG, or REC depending on model). The LED light on the receiver will illuminate or blink. 3. Press any button on the new remote control for 1 second. 4. Release the button. The LED light on the receiver will turn off immediately or within 10 seconds depending on model. Your new remote control is now programmed.