The fischertechnik RX Controller has eight inputs for sensors and four outputs for actuators. It can be operated with a power supply unit or a battery and offers two negative and one positive output. There are also two external connections for I2C sensors, such as gesture sensors. A USB port enables connection to computers, while an on/off button and a Bluetooth activation button ensure easy operation. These features make the RX Controller ideal for versatile control and monitoring tasks.