FAST HEATING: Only need to preheating for 1-3 minutes. Save time, safer and more efficient. ADJUSTABLE TEMPERATURE: The glue gun is equipped with temperature adjustment knob, which can be adjusted within the range of 140 degrees -220 degrees. Different temperature can control the speed of the glue, make the glue is more smooth. MULTIPLE NOZZLES: The nozzles of the glue gun can be replaced freely, all nozzles have the function of leak-proof glue.Pure copper material is more durable. All sets contains a variety of nozzles to meet your different needs at work. SAFE GLUE GUN: Use PTC heat-sensitive heating element,enlarge the heat dissipation hole to prevent the glue gun from overheating; With insulated power cord and built-in fuse, make this glue guns are multiple protection, safer to use. GOOD GLUE STICKS: With high-viscosity glue sticks to meet most of the bonding needs., Manufacturer: YFDGD