The product is a high-speed optical grinding machine used for edging spectacle lenses manually. It has a voltage of AC 220V 50Hz and a power of 75W. The model number is NH-100, and it weighs 6kg. The product number is GZ3765B. It is a horizontal type machine, and its origin is Mainland China. The machine is precise and efficient, making it ideal for use in dental, medical, and healthcare labs.