... .Frequency:433/315mhz or others 3.chip: fixed/learning/rolling/copy 4.rf remote control pt2260 rf remote control pt2260 :This product is ... your choice 2.Materail:Metal and PVC 3.Encoding type:Fixed/learning/rolling code(optional) 4.High stability:Adopting imported SMT ... operating mode:Hopping code(HC301,300,200 and so on) Fixed code(2262,2260 etc) Learning code(1527,2240,HT6P20B,HT6P20D ...