Comes with a handpiece that uses two AA batteries (included), and the below four replaceable cautery tips: – 1/2″ fine electrode, useful for hemostasis control – 1/2″ loop electrode for wide use, such as small skin tumors – 2″ fine electrode for difficult areas – 2″ loop electrode These tips deliver high temperatures up to 2200 degrees F. All tips fit easily into the handpiece.