... garage door ,rolling door , car alarm system ,home appliance,remote switch ,LED and other industral control . They are sold to ... Europe ,South America ,Japan and other world market..... wireless remote control for car alarm,auto alarm,motorcycle alarm,led light ... :50-60KHz6.Frequency windage: ±0.2MHz7.Transmission distance:100meters (open space)8.Oscillation resistance:Per customer's request9.Chip and ...