Operating Voltage:5V<br> Input Voltage (recommended):7-12V<br> Input Voltage (limits):6-20V<br> Digital I/O Pins:54 (of which 15 provide PWM output)<br> Analog Input Pins:16<br> DC Current per I/O Pin:40 mA<br> DC Current for 3.3V Pin:50 mA<br> Flash Memory:256 KB of which 8 KB used by bootloader<br> SRAM:8 KB<br> EEPROM:4 KB<br> Clock Speed:16 MHz<br> Due to different factory batches, the product words are different, and the product accessories have slight differences in color and appearance, but it does not affect normal use<br> Colour:Photo Color<br> Material:PCB<br> Package Contents:<br> 1 x MEGA2560 R3 improved version development board<br> 1 x USB charging cable<br> Only the above package content, other products are not included.<br> Note: Light reflection 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.