PRE-HEATING in 3-5 minutes only. Maintains constant temperature to ensure continuous glue flow when heated. Premium quality and long life for stationary use. Glue Stick Diameter: 11 mm Voltage :220 V . Use to ornaments handicraft,electronic appliances,wood products,fiber , paper products,package and toys. Glue Gun is specially designed for: 1) Kids* for School Projects and Crafts 2) Pasting delicate items like fabric, thermocol, foam, paper 3) Detailed or precise work such as beading, light weight embellishments, ornament detailed work, etc.