Remote control for home , car alarm system (transponder), combine with key blank for ... shutter etc )Key blank : for different brands of car keyBattery Model : 2016 Voltage : 6V Material: Zinc ... ,copying RF fixed code remote by a easy way. To replace the original old and break remote ... different function .For home /car alarm ,such asASK modulate mode remote ,gate opener,car cental system and so on . ...