Qr code adhesive tags dce051 (large) and DCE052 (small) make asset management easy with the site manager app. The qr code works with your mobile device's camera and the site manager app. (subscription charges and third party data charges may apply) it's strong adhesion material withstands tough jobsite conditions, designed to be weather, scratch and UV resistant. Use the qr code tag with tools, batteries, and Other jobsite necessities for a complete inventory management solution.