The 150 Plug mapper kit with a case is the key for mapping an entire custom home institutional or industrial space. Plug a mapper into each outlet and combine it with the Circuit IQ app to quickly identify the panel and circuit of each device's spectrum. The kit comes supplied with a rollable carrying case made for the job site with an extendable handle to effortlessly move your case where you need it, collapse the handle and stack additional cases together for better storage management.