The TS58400 is a smart transmitter with 61X52X13mm and 18g only.
5.8G 400mW with 40CH included A B E F R band for FPV Racer
With one button to change the channel and display by blue and red lights.
5.8G 400mW 40CH
7-24V power input
One button to change the channel
1x TS58400 transmitter
1X 5p cable