30S Fast Heating: After electrifying, PTC quickly converts electric energy into heat energy, and hot air can be felt within , so it heats quickly Constant Temperature Heating: Insulated fan heater uses ceramic constant temperature heating technology to continuously output heat and automatically work at constant temperature Reinforced Nylon Shell: PTC heating fan uses PA66 reinforced nylon shell, which has high temperature resistance, insulation and good protection Long Service Life: PTC heating fan can provide heat source for 10,000 hours continuously, and repeated switching not affect the service life, so it is Compact Design: The heater is designed in a compact structure, the volume of which is about the same as that of a mouse, and it can be placed in a narrow space without occupying too much space<br><br>Colour:Black Material:Metal+Plastic+Ceramic PTC<br><br>Package Contents: 1 x PTC Electric Heater<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.