Amaze-Heater Wall Mounted Room Space Heater with Protective Heat Guard, 400 Watt, 120 Volts Natural convection - Has all the advantages of natural convection heaters PLUS advantages offered by the patent pending Heatguard. Safe to touch Provides extra safety for children and pets by lowering exposed surface temperature. Double Convection Heatguard provides double convection and hence increases efficiency of heat distribution. Decorate or paint Due to lower surface temperature, heatguard can be painted to match dcor or decorated with stickers. International Standard Compliant - The panels have ETL approval of UL 2021 standards (certification for USA) and also approval of IEC 60335-2 (certification for Canada) and are also RoHS Compliant.