ITEM NAME:Nano V3.0 ATmega328 CH340G 16M 5V Micro-controller USB Board Arduino No Cable.CH340G REPLACE FT232RL. Support USB download and Power. Board Size: 4.5x1.7cm/1.77x0.67". 1 pairs of TTL level serial transceiver ports RX / TX. 6 PWM Ports: D3, D5, D6, D9, D10, D11. 14 Digital input output ports:TX,RX,D2 ~ D13.