Features:
1, Terminal Block Breakout Module - for Arduino UNO R4 WiFi, R4 Minima, R3, R3 SMD, R2 WiFi, R2, Leonardo, Zero. The item has been soldered and assembled.
2, Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
3, Standard IDC40 pitch 0.1" header, you can use 40pin FRC(flat ribbon cable) connector cable connect all Arduino Uno pins to peripheral equipment.
4, With power on LED indicating. red reset button on the side. with a ICSP adapter connect header. 
5, FR-4 fiberglass material PCB, UL 94-V0 certified PCB. UL CE CQC certified terminal blocks.
NOTE: the item not include Arduino Uno module