This is a 7.4V 2200 mAh LiPo battery pack. Its made by 2 pcs LiPo cells of 3.7V 2200mAh each.
The B3 Compact charger is a very simple to use charger for 7.4 2S and 11.1 3S battery packs. No need for additional power supplies or 12v batteries as this little unit has its own built in power supply that can be powered with 100-240v.
3D Scanning Range Finder. The distance is measured by steering the laser beam vertically and horizontally.
pack of 2, 12mm Hex wheel adapter for 6mm shaft
light-weight aluminum shaft adapters convert a typical motor output shaft into a 12 mm hex shaft that is compatible with many RC wheels.