This is an electrical part such as a motor, light, LED or switch.
Light up your kits with the One-Touch Connector LED Series! The "One-touch LED Vol 2" is a lighting system specially designed for models. Based on a USB power supply, this product is designed to be used in mechanical models, car models and dioramas.
Just plug it in and go, no prior knowledge of LEDs is required.
Functions can be added by connecting a power supply, switch, branching, and other circuit boards.