It is made of 304 stainless steel with a nickel content of ≥8% and a thickness of 1.2-1.5mm. It is resistant to UV aging and will not fade after 5 years of outdoor exposure. The surface is treated with anti-fingerprints and will leave no trace after cleaning on rainy days.

There is a 1.0m duty equipment cabinet inside (divided into upper and lower floors, with law enforcement recorders on the upper floor and reflective vests on the lower floor). A folding workbench is installed on the side to facilitate filling in duty records; a 3M reflective strip is attached to the outside for strong warning at night; the size (length × width × height) is 2.0×1.6×2.5m, suitable for intersections and highway entrances and exits.