General description GA-4H-TX TX4 is a 2.4GHz 4-channel radio system transmitter controller designed for remote control of various models including RC cars, boats, tanks, and crawlers. It offers stable control over distances of 200-300 meters and features protective functions to prevent loss of control. Technical specifications Frequency: 2.4GHz Channels: 4 Control distance: 200-300m Material: Composite material Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with RC cars, boats, and tanks Package includes: 1 Transmitter, 1 Receiver, 1 English Manual Other information Features brake and fail-safe functions for out of control protection Utilizes FHSS 67 channels frequency-hopping spread spectrum technology for enhanced resistance to interference Note: Light reflection and different displays may cause color variations in the product images