Hot glue gun 1. voltage: 110v-220v 2. preheat time: 1-3 minutes 1. voltage: 110v-220v2. preheat time: 1-3 minu Hot glue gun: yellow, red, blue, black and white color Power: 10w, 15w, 40w, 60w and 80w We provide all level standard to meet different customers requirement. PLS visit our website freely for more details. Hot glue gun