Key Specifications/Special Features: universal duplicate remote · FC: Fixed Code, simple programming needed only, use dirrectly. · RCS: Rolling Code Simpler, learn to receiver needed. · RCC: Rolling Code Complex, seed code needed. Function: · Working Frequency Range: 280MHZ-350MHZ / 380MHZ-450MHZ / 867MHZ-868MHZ · Universal garage door and gate opener remote designed for use with most major brands such as FAAC, BFT, NICE, V2, Detic, Chamberlain, Liftermaster, Craftsman, Linear, Homann ect, makes it the first truly universal transmitter available · Clones up to 4 existing remotes via quick, easy programming; Simply activate the proper learn mode and it will communicate with your remotes, so it's possible to clone up to 4 different remote controls, even if they operates in different frequencies. Products Advantages: 1.Crusts/ frequency can be chosen. 2.Can the signal of rolling code remote control(customize). 3.Can print customers LOGO. 4.The frequency adjustable(according to customers requirements). 5.Waterproof.