... forget, automatic & intelligent ID link 2.2.4GHz wireless transfer 360-degree use freely within 10m radmain function:1,Mini receiver, ... & forget, automatic & intelligent ID link2.2.4GHz wireless transfer 360-degree use freely within 10m radius3.With the function of power ... systemtechnical specification:1.radio wave frequency:2402MHz--2480MHz2.wireless operate channel:16,auto change3.working voltage:3. ...