mini glue gun using high-tech ceramic PTC thermistor as heating the original, warming fast. PTC thermistor automatic thermostat, the temperature rose to the design temperature glue stick when the rise in body heat to prevent damage to the glue gun, save energy, to extend the service life. 2, the electrical insulation strength of this product in the power 3750V / minute without breakdown, in between 100V to 240V AC or DC power supply can be used normally, independent of voltage fluctuation limits, built-in safety fuse, use more secure.