The item in the box is the RKI GX-Force Sample Draw 4 Gas Monitor, which is a portable safety tool used to detect the presence of dangerous gases.Key features include:What it does: It checks for up to four gases at once: combustible gases (LEL), Oxygen (O2), Carbon Monoxide (CO), and Hydrogen Sulfide (H2S).How it works: It has a built-in pump that pulls air through the clear plastic tube shown in your image, allowing you to test for hazardous gases in tight or hard-to-reach spaces.