... , self-learning, 16 kinds of codes 3, CE approved 4, OEM Overall Characteristics• With high-current of electric lock signal ... to prevent the return spark.• Remote transmitter with 4 keys to carry out the 4 functions of autodoor, including: unidirectional/ full ... the signal to auto-door and electric locks.• Using remote controller to switch function, validity action confirms by voice indicatorTechnical ...