Specifications Software and programming: PC-mBlock; iPad/Tablet - Makeblock, Arduino IDE Main Control Board: Arduino Mega 2560, 256KB flash memory, 8KG SRAM, 4KB EEPROM Sensor: 2 x Light sensor 1 x Sound sensor 1 x Gyroscope 1 x Temperature sensor 1 x Ultrasonic sensor 1 x Line follower Speaker: 1 x Buzzer Battery: 6 x AA battery (not included) Motor: 2 x 400 RPM Encoder Motor Wireless Communication: Bluetooth/2.4G Dimensions: 200 x 165 x 120mm (7.78 x 6.49 x 4.71inch) Max. Weight: 1600g (56.44oz)