Choose one format or a kit
Match the handle, controls and contents to what you actually want.
Look at grip and storage
A bullet takes less storage space; a wand may have a larger handle. Compare published dimensions and the placement of the buttons in the photos.
Check what a kit counts
Some sets count a storage case, remote or interchangeable head as a piece. Read the contents panel for each item and how it is powered.
Separate purchase from first use
After you choose a product, see the first-use guide for a separate walkthrough of checking controls and instructions.