Connecter 1: 2 *USB male to 4 pin Screw Terminal. Connecter 2: 2 *USB female to 4 pin Screw Terminal;
Product Usage 1: USB A charger, power bank, mobile phone and other smart devices take power and output 5V to the green solder free terminal positive and negative poles to supply power to other devices;
Product Usage 2: Connect the positive and negative terminals of the green solder free terminal to USB A for power supply to non intelligent devices such as toys and small household appliances;; No soldering required, easy to use, Requires only a screwdriver and a wire stripper to terminate USB cables, Saves time and hassle for installers; package: 4 pack (USB to 4 Pin Screw Terminal)