[2 minutes quick preheating] This glue gun can be preheated in only 2 minutes. [Automatic power-off protection] Intelligent linkage switch, built-in intelligent temperature control design, automatically power off after 10 minutes of inactivity, protecting users while saving energy, avoiding long-term high temperature hazards. [Long-lasting battery and fast charging] The surface is made of flame-retardant materials to protect your hands from burns. Combined with the smart power-off system, it is also equipped with a fast charger that can fully charge the battery in just 2 hours. [Quick Glue Unloading]Ultra-fast dispensing speed, smooth and continuous glue application, using copper glue nozzle, smooth and continuous glue discharge, durable, rust-proof, and the nozzle protective cover design can prevent high temperature scalds. [Safety] No power contact, bid farewell to electric shock; smart power display, charged power display, safer to use., Manufacturer: YFDGD