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الشخص الذي يمكن الاتصال به Mr. sherry
minzhi, shenzhen, guangdong
**-channels call system ZJ**0B Modelï&frac*4;šAST-A**2 nameï&frac*4;š**-channels call system working volt (V)ï&frac*4;š DC *2 basic equipment ï&frac*4;ša host computerã€a DC*2V power main function ï&frac*4;šCall Area Display / voice prompt (recording doorbell, alarm) / volume adjustable / cycle inquiries Frequencyï&frac*4;š**5/**3.*2MHz size of host computer(mm)ï&frac*4;š **0***3**5 coding typeï&frac*4;šlearning code
