[ Package included ] : 4PCS Black Red USB Male to Alligator Clip Connector. cable body : black Pure copper cable+Red Pure copper cable USB Joint:, USB2.0 Cable .Total length: 3.3Ft/100cm, red and black wire gauge: 2*22AWG. The maximum voltage and current can pass 0-24V, 0-3A. Alligator clip connect and disconnect quickly and easily. Plug and play,Nickel-plated alligator clips have stronger conductivity, red and black (V+ and V-). This two test leads are well designed with USB port; one with female USB port, the other with male USB. bidirectional alligator clip to USB test leads can quickly convert any DC power source into a USB power source, and the USB power source can be quickly connected to any device through the alligator clip. The alligator clip is completely insulated and you can easily insert the probe tip. The probe tips are hardened to ensure resistance to blunting through constant use. Please do not touch metal part of crocodile mouth with connected to power supply. [ Package included ] : 4PCS Black Red USB Male to Alligator Clip Connector. Testing Usage:bidirectional alligator clip to USB test leads can quickly convert any DC power source into a USB power source, and the USB power source can be quickly connected to any device through the alligator clip. Product name: USB clip cable. Material: Copper wire,PVC. Color: red ,black. cable length: 100cm/3.3FT Maximum input voltage: 0-24V . Maximum input current: 0-3A. Adapter type: : USB male plug -Positive and negative crocodile leather test clip.