9V 1A Power Supply：Input 100V-240V 50/60Hz; Output 9V DC, 1A (1000mA) max.; Works with device that draws less than 1A, such as 0.5A 0.7A 0.9A 1A , with 5.5mm x 2.5mm Plug. DC output port's outer diameter is 5.5mm, inner diameter is 2.5mm Compatible with 2.1mm. Breadboard Power Supply Module:Output two road independent control, can switch over to 0 V, 3.3 V, 5 V；Input Voltage: 6.5-9V (DC) or 9V y. ;Output Voltage: ~3.3V/~5V;Output Current: 700mA(Max);With 9V y snap power cable T-type 5.5x2.1mm connector;Fit for: MB-102 Breadboard; Arduino Board Solderless Breadboard etc. Alligator test leads:11.8-inch(300mm) jumper wire with an alligator on one end and female jumpers on the other forArduino, Raspberry Pi, Orange pi, wearable circuit projects or a breadboard experiment. Banana Plug:Banana Plug can be diy according to demand combined with the complimentary DuPont wire can be realizedBanana Plug to male or Banana Plug to female test line，Suitable for connecting a wire to breadboard from power supplies, strips, multi-meters and Lilypad. Package include:1pc 9V 1A Adaptor+1pc Breadboard Power Supply Module+1pc y +2pcs Alligator test leads(Color random)+2pcs Banana Plug+5 Pin Male to Male DuPont cable+5 Pin Male to Female DuPont cable