2.4Ghz 100mW 4 Ways Wireless transmitter System Watch Manwireless transmitter,Removing control,sruveil voice and image 2.4.Ghz 100mW Wireless Transmitter, Receiver Watch Man ... can be take out.d.If don't use it for a long time,please turn off the power switch.e ... DC8V power supply.f.If use if for a long time,it can connect 2 batteries.B.Remove control: A key:Push ...