This is a high quality MHz rolling code nice Compatible Remote Control Replacement that replaces your: Nice Flo1R/Nice FLO2R/Nice Flo4R/Nice FLO1RE nice FLO2RE nice FLO4RE/Nice INTI1 nice INTI2 nice ON1E nice ON2E nice ON4E nice ON1/Nice on2/Nice ON4/Nice very VR remote controls. Parameters: Frequency: 433.92MHz Rolling Code nuber of channels: 4 Battery and Key Chain included. Programming: You will need to program this remote with nice receiver or gate opener. The transmitter can be memorized in different ways, depending on the options of the nice receiver or control unit associated with the transmitter. Then memorize the code of your transmitter on the receiver or control unit according to the procedures specified in the relative instruction manual. Programming Video: https://www.youtube.com/watch?v=l72favyknq0 or https://www.youtube.com/watch?v=jcktc9 °F7zl8 if you want to increase the remote control reception range up to 150 – 200 meters, then you can connect this aerial: https://www.store.de/dp/b01mtoyb0 °F. If you have any questions about your purchase please contact us.