The Healthy Vend Model Number AMS 39 640 VCB Serial: 1-1307-3787 is a refrigerated combination vending machine that sells both cold beverages and a variety of snacks. The model number breaks down as follows: AMS: Automated Merchandising Systems, the American manufacturer based in West Virginia. 39: The width of the machine in inches. 640: The number of product selections and trays. In a snack-only version, this would indicate six trays with up to 40 selections. In this VCB combo machine, it's configured for both drinks and snacks. VCB: Visi-Combo Bottle. Features and specifications Product capacity: This combo machine can hold both refrigerated drinks and ambient snacks. Configurations vary, but one common setup is 36 total selections, including 20 snack/candy options and 16 drink options. Guaranteed delivery: It features the patented "Sensit" guaranteed delivery system, which uses infrared technology to detect if a product has dropped. If it hasn't, the customer can make another selection or receive a refund. Temperature control: The refrigerated section has adjustable temperature settings, typically between 36°F and 48°F, to ensure cold items remain fresh. It may also include heated glass to reduce condensation and improve visibility. Payment options: The machine accepts cash (bills and coins) and can be upgraded for cashless payments with a credit/debit card reader and mobile payment systems. Durable construction: The machine is rugged, built for reliability, and includes a shatterproof glass front. Energy efficiency: Newer versions of this machine, or those with the upgrade, may include EnergySensit technology for reduced energy consumption.