Wireless remote control duplicator 1) battery 23A 12V 2) frequency 315 or 433.92mhz or other ... Parameter500PCS/CTNFrequencyCustomized(303M,315M,390M,433M,433.92M(Hz),etc.)Battery Model23ANet Weight31g/pcGross Weight35g/pcCarton Dimension53.5*22.5*35cmVoltage12VEncoder ...