Product Name: Leonardo Development Board for Arduino Model NO.: Leonardo Dielectric: FR-4 Matal Coating: Tin Mode of Production: SMT Layers: Single-Layer Transport Package: Trasparent Bag Origin: China HS Code: 90230090 Product Description LeonardoDevelopment Board + USB Cable Wire for ArduinoDescription:Controller: ATmega32u4Goods recorded: 16 MHzOperating voltage: 5VInput Voltage (recommended) :7-12VDigital IO port: 22 (D0-D13, D14-MISO D15-SCK, D16-MOSI D18-23 [A0-A5)PWM channel: 7 (D3, D5, D6, D9, D10, D11, D13)Analog input: 12 (A0-A5, D4-A6, D6-A7, D8-A8 ,-A9 D9, D10-A10, D12-A11)5V digital / analog port maximum permissible current: 40 mA3.3V digital / analog port maximum permissible current: 50 mAFlash Memory: 32 KB (ATmega32u4) of which 4 KB used by the bootloaderSRAM: 2.5 KB (ATmega32u4)EEPROM: 1 KB (ATmega32u4Package included:1 X Leonardo1 X USB cable