... 2.Thermostat control 3.Overheat protection 4.GS,CE,ROHS 1.3-5KW,10200BTU-17000BTU2.Thermostat control 3.Overheat protection ... 1. Stainless steel heating element 2. Adjustable thermostat control 3. Over heat protection 4. With fan, cool blow ... site, workshop, warehouse, garage etc.Agriculture field-vegetable greenhouse, fruit and flower greenhouse, etc.Emergency incident- power outage, road sos, etc ...