TOP CHOICE - Powerful transmitter that is able to store 20 different programmed models. With powerful active and passive anti-interference capabilities, the GT5 transmitter utilizes the AFHDS 2A technology. Model automobiles, boats, and other models are compatible with the FS-BS6 receiver's output of 6 channels. When the receiver is unable to receive the signal from the transmitter regularly, the F.SAFE function can safeguard the model's safety by moving the actuator arm to the pre-set position. Technical Features: 1. AFHDS 2A system 2. ABS automatic brake function 3. SVC and climbing car mode PROS The brake settings to adapt to different models of track GT5 can store 20 models Active and passive anti-interference ability CONS None that we could find