The product is a vintage Vivitar Electronic Flash Model 150, made in Japan. It comes with batteries included and is known for its reliable performance. The Vivitar brand is well-known for producing high-quality photography equipment, and this flash unit is no exception. It is designed to work effectively with various cameras, providing the necessary lighting for capturing great shots. This older model from Japan is a testament to Vivitar's long-standing reputation for producing durable and functional photography accessories.