Features: This bicycles battery charing device features a magnetic modules design, allowing for flexible charging of up to four batteries simultaneously. Equipped with a clearly power display, this charing device provide a direct way to observe the charging condition. It automatically shuts off once the battery is fully charging, ensuring security and durability. Make from ABS, compacts and strong, great for outdoor use without compromising on durability. Designs to suitable for Red AXS, Force AXS road bikes, XX1 AXS, X01 AXS mountain bikes, this charing device caters to a wide ranges of electronic shifting systems. Specifications: Component: ABS Size: about 7.5x3x2.70cm/2.95x1.18x1.06inch Package Includes: 1set Bicycles shifts Battery Charging Device note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.