... and four 24 channels receivers. Picture of TransmitterParameters of transmitter1. Powered by 12V internal rechargeable lithium battery, less weight and longer life ... “1”, and then adjust receiver to “1”, too. In such a case, you can operate the transmitter with the “1” transmitter ... ”, and then adjust two receivers to “1”, too. In such a case, if you press Button”1”, the channel “1” on ...