... , wityh stainless steel mesh, durable and rustless.2) Carbon heating element: clean, odorless, instant heat, safe and convenient (Halogen heating ... element is available as well)3) With Sensor function. When people is close to the heater within 40CM, the ... on Immediately; once the people is away from the heater, the heater is off after 30 seconds. 4) Can be used both ...