Description: MB-102 830 Point Solderless PCB Breadboard: Quantity: 5 Pcs.  Model: MB-102.  Dimension: 16.7 x 5.7 x 1cm.  Tie Points: 830 tie points (consists of: 630 tie-point terminal strip, 200 tie-point distribution strips).  Matrix: 126 separate 5 point terminals, plus 4 horizontal bus lines (Power Lines) of 50 test points each Wire size: Suitable for 20~29 AWG (0.3mm ~ 0.8mm) wires.  MB-102 Power Supply Module: Input voltage: 6.5V ~ 12 V DC / USB power supply.  Output voltage: 3.3V / 5V can switch over.  Maximum output current: <700mA.  Fluctuation two road independent control, can switch over to 0V, 3.3V, 5V.  On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use.  Size: 5.3 x 3.2 x 2.5cm.  Note: If using the USB can not work, please use DC power.  Jump Cable Wires: Breadboard jumper cable wires.  Typically used for electronics projects.  Wires are flexible, durable, reusable, easy to trace.  Easy to connect and disconnect.  Package included: 5 x MB-102 Solderless Breadboard.  5 x MB-102 Breadboard Power Supply.  325 x Breadboard Jumper Cables.