Features: : bit Pocket-sized computer that introduces you to how software and hardware work together. It has an LED light display, buttons, sensors and many input / output features which, when programmed, let you interact with you and your world. Two user buttons which can be used to control games or pause / skip songs on a playlist. V1.5 has a motion sensor which combines 3-axis accelerometer sensing, along with the magnetometer which can be used as a compass or magnetic field strength sensor. Use the BBC : bit for all kinds of cool creations including digital games, musical instruments, robots, science experiments, wearable devices, etc. Measurement range: 0-3.3V Supply voltage : PH2.0 Voltage interface: 3-3.3V Operating system: windows, macOS, iOS, andriod. Colour: black yellow Material: ABS Size: 52X43mm Package Contents: 1 * Development Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.