We recommend the wireless remote control facility here. It is model: S2RT-DC12 & CV-2. The receiver (S2RT-DC12) is 2 CH and working voltage includes DC 06/09/12/24V. The transmitter (CV-2) can remote control the receiver and working distance is 500m/1500ft theoretically. You can connect light to receiver and use the wireless transmitter to remote control light on/off.
Here is the circuit diagram of receiver. You can connect two lights to A terminal of receiver. Then supply power to receiver. When you press the button of transmitter, the lights will turn on/off by wireless remote control.
The wireless remote control facility is toggle control mode.
Press the button 1, turn on lamp 1
Press the button 1 again, turn off lamp 1
Press the button 2, turn on lamp 2
Press the button 2 again, turn off lamp 2
Actually you can also enter into the website and search the wireless remote control facility as following:
Model: 0020066 (S2RT-DC12) 0021017 (CV-2)
Website:
S2RT-DC12
http://www.carymart.com/2-channel-wireless-remote-controller-receiver-toggle-control-mode-p-253.html
CV-2
http://www.carymart.com/2-button-500m-wireless-remote-control-transmitter-p-219.html