Solu &reg; Nano I / O Expansion Sensor Shield Module for Arduino UNO R3 Nano V3.0/nano Pro I / O Expansion Shield for Arduino UNO Nano 3.0 Compatible Usually, you will get it actually in 9~19 days, If you are in the USA and the item is NOT Fulfilled by Amazon. the item will be sent to you by USPS with shipping information from China. The estimated delivery time offered by Amazon is not the real time. Your patience is highly appreciated. Hope you will receive your item soon and enjoy using it. About us (Solu ), Professional factory of circuit boards for Arduino.5 I2C expansion Pin I2C interface on the main board, convenient and connection of the I2C device Compatible with Arduino or Arduino-compatible Nano v3.0 14 I/O Pin (servo type with GND, power and signal)