Radiolink RC4GS + R4FG Review
With a good relation between price and quality with a gyro function integrated on the receiver.
where to buy: http://bit.ly/RLRC4GS
Product page: https://goo.gl/MbRBiP
manual:https://goo.gl/7TTG2c
HB P1001 Crawler, but the model on the video has new electronics
https://goo.gl/t6edzR
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