The Kobalt 4 Tool Combo Kit includes a 4-1/2" compact circular saw, sander, drill driver, and impact driver, all powered by a 24V lithium-ion battery. This convenient tool set comes in a sleek blue color and includes one battery. While it does not come with a manufacturer warranty, the tools are reliable and durable for various home and workshop projects. The compact size and cordless operation make it easy to use and transport, making this set a versatile addition to any toolbox.