Evolv Technologies Holdings, Inc. provides artificial intelligence (AI)-based touchless security screening systems. Its products include Evolv Express, a touchless security screening system designed to detect firearms, improvised explosive devices, and tactical knives as visitors walk through at a normal pace; Evolv Insights that provides self-serve access, insights regarding visitor flow and arrival curves, location specific performance, system detection performance, and alarm statistics; and Evolv Edge to detect non-metallic explosive devices, explosive devices, firearms, and tactical knives without requiring visitors to divest or empty their pockets. The company is headquartered in Waltham, Massachusetts.