DTXMX Flysky FS-G7P 7 Channels RC Transmitter and Receiver FS-R7P 2.4GHz Surface Remote Controller for RC Cars Boats Crawler Buggy

Two-way data transmission: signal strength can be sent back. The standard receiver, it supports the back transmission of the detected BVD battery voltage. The sensors such as speed, temperature, and voltage are supported. Powerful mixer function: 5 groups of programming mixer +1 group of steering mixer, track professional mixer(dual engine mixer), and 4WS crawler special mixer. 7CH suface remote controller, need 4*AA battery(not included).