Funnyvale Hackabot Nano Robotic Kit (Arduino Compatible) Very compact: about 12cm x 12cm x 5.5cm (4.7in x 4.7in x 2.2 in) Controller: Arduino Nano compatible. Program with standard IDE. Connectivity: Radio Frequency (2.4GHz), WiFi, Bluetooth Robot Chassis: Fabric Shield (the main PCB) is designed to mount up to 4 motors directly Sensors: GPS, Gyroscope + Accelerometer, Ultrasonic Distance Sensor. Motor driver: capable of driving up to 4 DC or servo motors.