These AAA battery contact plates are designed to provide a secure and efficient connection in various electronic devices. The metal springs ensure reliable contact, while the great construction makes performance. great for use in remote controls, toys, and other battery-powered items, they offer a dependable solution for battery connectivity. Features -Color:Silver -Material:Iron -Size:1.40X0.90X0.80cm/0.55X0.35X0.31in -Size:1.40X1.00X0.10cm/0.55X0.39X0.04in -Note: Suitanle for AAA battery -Convenient battery changes: makes replacing batteries easy, prolonging the lifespan of remotecontrolled toys -Secure and stable: spring plate design ensures a tight connection for stable power output -great materials: constructed from great materials for use -Broad application: suitable for a wide range of remotecontrolled toys, including model cars and plane toys -Simple installation: easy to install, enhancing convenience and efficiency Package list: 30 x sets battery supplies