6 Pcs Electronic Accessories: 1 x PWM DC Motor Speed Controller Forward Reverse Switch Control 1203B & 5 x DC Power Jack PCB Mount Connector Maximum current: 3A Potentiometer with switch function With reversing control Size: 32mm * 50mm * 15mm Color : Black + green Material: ABS + Metal + Plastic Product Name : DC Power Jack PCB Mount Connector Type : 5.5mmx2.1mm Socket Pin : 3 Pin DC Power Jack PCB Mount Connector Size : 15 x 14 x 9mm Input voltage: DC6V-28V DC Power Jack PCB Mount Connector Weight : 8g Package Contents: 1 x PWM DC Motor Speed Controller Forward Reverse Switch Control 1203B 5 x DC Power Jack PCB Mount Connector Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.