Evolv Technologies Holdings, Inc. provides artificial intelligence (AI)-based weapons detection for security screening in the United States and internationally. Its flagship product is the Evolv Express, an AI-based concealed weapons detection system designed to detect firearms, improvised explosive devices, and tactical knives. The company also offers Evolv Insights Analytics Application that provides self-serve access, insights regarding visitor flow and arrival curves, location specific performance, system detection performance, and alarm statistics; and Evolv eXpedite, an autonomous AI-based weapons detection system to detect concealed weapons in bags.