Product Information Brand: Hobird Operation Mode: Mechanical Timing Function: More Than 8 Hours Rated Voltage: 110-220v Rated Power: 220v Switch Type: Normal Button Types Of Heating Appliances: Fan Heater Air Supply Mode: No Page Turning, No Head Shaking Application Area: 21-30㎡ Heating Method: Ceramic Heating Speed Adjustment Gear: Third Gear Maximum Heating Area: 20m^2 And Above Product specifications: 13*13* 13cm The main function 1. Safety switch: mechanical and electronic double safety switch protection 2. Free adjustment of dual-speed temperature control: 400W low hot air, 800W high hot air 3. Three free timing options: default 12 hours, 1H, 2H, 8H freely adjustable 4. Safe overheating and power-off protection: automatic power-off protection for 110° faulty over-temperature system 5. Delayed safe heat dissipation: the fan will still work for 30 seconds after the heating is cut off