General description Garage Door Gate Transmitter Remote Control for NOVOFERM NOVOTRON models 502, 504, 512, 522, and 524, operating at a frequency of 433.92 MHz. This product includes two pieces: a remote control and a wall transmitter. Please note that these are not universal garage door remote controls; they are specific replacement parts designed for the listed models and frequencies. Technical specifications Frequency: 433.92 MHz Models compatible: NOVOFERM MCHS43-2, MTR43-2, MNHS433-02, MNHS433-04, NOVOFERM NOVOTRON 502 MAX43-2, 504 MAX43-4, 512 MIX 43-2, NOVOFERM MINI-NOVOTRON 522, 524, 522 design, 524 design Features: 4 programmable control switches Design: Protective sliding cover to prevent accidental activation Size: Compact and lightweight Usage This remote control is designed for easy operation with its four programmable buttons, allowing you to control your garage door with convenience. The protective sliding cover ensures that the buttons are not accidentally pressed