Specifications Item condition - New Third party remote control. Not made by NOVOFERM Decoder IC - Rolling Code. Frequency - 433.92MHz. Operating voltage - 3V CR2032*1 (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. 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 make sure you got access to your receiver/opener before purchase. 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. Car Sun Visor Remote Control Clip Holder Mount Stand Specifications: 100% brand new and high quality; Material:ABS and metal; Specification: 65.5*35.5*14cm; It can be easily clipped to your car's sun visor for convenient use of your devices; Compact and lightweight design makes it ideal for travel and on-the-go lifestyle; No extra tool needed, easy to install; Adjustable holder, fit devices width from 47-70mm width; No extra tool needed, easy to install; Compatible with almost all Remote controls. Original remote control replacements and so on.