RAPID HEATING: the heating system to 2-3 minutes quick preheating, hot melt glue with leak-proof glue design to reduce the trouble for arts & crafts use. hot glue with heat dissipation holes can effectively reduce high temperature to safety. 60/100W DUAL POWER: This hot glue with dual power 60/100W switch, usually 60w for small project, 100w with high temperature for large project. you can according to different application choose different temperature. EFFICIENT AND SAFETY: Hot glue has inbuilt safety features prevent overheating, Hot melt glue with heat dissipation holes can effectively reduce the high temperature to to work safely. FRIENDLY DESIGN: Hot glue with insulated and copper nozzle is , not easy to jam, ergonomic design trigger make the user more comfortable, wide metal stand with more stable, flexible when working the projects. Working power: 20W Working voltage:DC12V Working temperature: 180 Celsius Battery capacity: 2400mAH Warm-up time: 3-5 minutes colour:blue Material:plastic size:136 x 135mm Nozzle diameter: 0.070-0.078 inch Package Contents: 1 x Craft Repair Tool 50 x glue sticks 1 x USB Line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.