Type: Electronic productsModel Number: 12V Charging Controller Protection BoardApplication: ComputerOperating Temperature: -40-+85Supply Voltage: 12VElectronic products: For Arduino STMColour:BlueMaterial:PCBSize:40x29mmPackage Contents:1 * Battery Undervoltage Control BoardOnly 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.