receiver by DC4.5V, sender by DC12Vdistance: 50-60metersmelody: can be 16 kinds of melody for your choice
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ZHEJIANG RUIHER IMPORT & EXPORT CO., LTD.VIP会员第13年
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receiver by DC4.5V, sender by DC12Vdistance: 50-60metersmelody: can be 16 kinds of melody for your choice