ITEM NAME:V3 Prototype Shield ProtoShield Mini Breadboard 170 MEGA2560 Fits Description: MEGA ProtoShield V3 prototype expansion board uses electroless nickel/immersion gold process (ENIG), golden square pad picth is small, which makes welding more smooth. This product adopts SOP28 so that you can aviod being tied by plating through hole components. It can be seamlessly connected to Auduino controller. Besides, you can solder components directly to the board to complete kinds of original circuit and stick it to breadboard to conduct different circuit experiment with our colorful jempers. There are power and status indicator lamp integrated onto the board,so is the reset bottom. Specification: Size(LxW): approx. 105mmx56mm/4.13x2.20inch Package Includes: 1 x UNO V3 MEGA2560 Prototype Shield 1 x mini breadboard 170.This product adopts SOP28 so that you can aviod being tied by plating through hole components.