315/433MHZ Copy Artifact Universal Duplicator Garage Door Remote Copy for Rolling Shutter Barrier Telescopic 4 ButtonFeatures: brand new and high qualityDuplicate your existing remote controllers such as, vehicle central locking systems, garage doors access control system, electronic gates, shutter doors etc.Support online programming, can be programmed repeatedly.Built-in EEPROM, can copy other common same frequency remote control.Can continuous repetitive copy use one million times.Privacy is strong,easy to use.Specifications: Material:ABS+MetalOperating Frequency: 315Mhz / 433Mhz (Optional)Rated Voltage:DC12VEmission Current: