Key Features:     Dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz     264KB of SRAM, and 2MB of on-board Flash memory     Castellated module allows soldering direct to carrier boards     USB 1.1 Host and Device support     Low-power sleep and dormant modes     Drag & drop programming using mass storage over USB     26 x multi-function GPIO pins     2 x SPI, 2 x I2C, 2 x UART, 3 x 12-bit ADC, 16 x controllable PWM channels     Accurate clock and timer on-chip     Temperature sensor     Accelerated floating-point libraries on-chip     8 x Programmable I/O (PIO) state machines for custom peripheral support     Colour:Green     Material:Plastic + Metal     Size:51x21mm          Package Contents:     2 * for Raspberry Pi Pico Board          Only the above package content, other products are not included.     Note: Light shooting 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.