Purchased new, never used. The following is a quote: Realistically recreate truck operation with a 10CH transmitter! The transmitter is fully equipped with 10CH for operating each gimmick. ・[Packed with gimmicks] Includes horn, trailer lift, headlights (H/L), turn signals, grill lights, room lamp, and tail lamps. Turn signal sounds and backup warning sounds can also be reproduced in detail. ・Separate receivers and servos are installed in the towing truck and trailer. They can be operated individually even before connection. ・You can experience the difficult operation of an actual towing trailer on your tabletop. ・4-wheel, 6-tire drive powerfully pulls the trailer. ・Equipped with a height lift for trailer connection, allowing you to connect and separate the trailer by raising and lowering it with the transmitter. ・The steering and driving motor use ultra-small precision coreless motors. ・The battery is a lithium battery, allowing for 40 minutes of continuous driving. ・Equipped with coil spring suspension, enabling weight transfer even in micro size for smooth cornering. ・The maximum speed can be adjusted to 20%, 50%, or 100% of the throttle value to suit the driving location. ・Charging uses a USB-C connector, and can be charged from a USB power source or the transmitter.