HG-300D is dual temp. heat gun featuring 2 temperature settings (392°F and 572°F) with on/off switch. HG-300D has plastic shield that covers hot metal nozzles and supporting bracket for tabletop use. This handy multi-purpose embossing heat tool has passed many safety standard, such as UL, CUL,GS,CE... With temperature adjustable setting, this device is available on different usage. If you are looking for a thermostat heat gun, HG-300D will be your good choice.