Dual temperature glue guns are ideal for crafts, floral and do it yourself projects. Unit features a high and low switch. Use high temperature for better bonding to metals, plastics and ceramic and low temperature for bonding delicate material such as lace, foil ribbon, floral foam and lightweight fabric. Temperature range of 250-DegreeF. and 380-DegreeF. (121-Degree Celsius and 193-Degree Celsius.).