Optimized design for personalied crystal or glass gifts producing. Especially good to put it at the entrance of the supermarket or in a shopping mall or commercial pedestrian street. It's very easy to operate that almost need not any special training. The high engraving speed ensure that you can engrave a general crystal in 3 minutes. Personalied crystal gifts for family, for friends, for wedding, for company, with it you can engrave anything you can see inside a crystal or glass