Features: Safely power your devices with the lr03 Size Battery Placeholder Conductor Shell, dummy battery connection external power sources while maintaining compatibility with lr03 battery compartments. Crafted from steel for durability and conductivity, this placeholder ensuring secure connection without short circuiting risk. Ideal for hobbyists, electronics repair specialists, and home users battery compartment adapter for low power devices. Perfect for converting battery operated gadgets like LED light, clocks, thermometers, or toys to direct power via USB adapter. Reduce battery waste with these lightweight, corrosion resistant conductor shell suitable for lr03 sized compartments. Specifications: Component: Steel Color: Green Height: Approx.44mm/1.73 inches Diameter: Approx. 10mm/0.39inches Package Includes: 2Pcs Battery Placeholder note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.