... 1 it's ceiling installation tools; 2 Portable type heater Shankuen heater blower: It's power source come from the compression ... It's has a built thermostat and regulator power 6.Insulated plastic handle 7. Whole Matel casing covered by powder against ... ceiling ,equipped with heating and flame-out protection deviceFeatures:The heater is portable, applicable to the construction site, winter construction, ...