This is an electrical part such as a motor, light, LED or switch.
Special battery box for use with button batteries
Power supply box with slide switch for CR2032 batteries.
Convenient when you want to fit the power supply inside the model.
Connect [EXB4 series] (sold separately) or [SW1] (sold separately) and LED lamp (sold separately) to this product.
LED lamps cannot be lit with this product alone.