Portable Space Heaters Office Personal Desk Heaters Small Heaters With Overheat Protection Features: [Hot air mode] It can be used in all weathers and all temperatures. Just press the ON/OFF switch on the top to activate its hot air function. Hot air mode (700W) provides hot air. [PTC ceramic heating technology] Adopt advanced PTC ceramic heating technology, heating is efficient and fast, and the heat conversion rate is high. It is very suitable for warming up by studying, working and sleeping. [Large-range oscillation function] One-key swing button provides 45 degree large angle heat, allowing warm air around you to circulate, achieving uniform heating in multiple directions, enjoying a larger heating area, and avoiding local overheating. [Portable and quiet] Portable mini size 12*12*21CM, light weight, easy to carry. Quiet air duct design, lowest noise (40 dB) [Advanced safety] Built-in overheating protection and anti-dumping switch to ensure that the heater is turned off immediately in any dangerous situation. The main body is made of high-quality ABS, V-0 grade flame-retardant materials to ensure safe use in home and office Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Electric Heater