Car Heating Fan Heater 12V or 24V heater truck heater car fast heat fan defogger defroster Feature: Material: ABS+PP Application: defrosting, heating, multi-function, easy to operate. Voltage: 12/24V. Fixing method: put it on the non-slip mat or fix it with double-sided adhesive tape. High temperature heat sink: electric warm heat sink, heating quickly, heating convenience. Rotary base: rotary design, easy to use. size:11X13.5cm Notes: The real color of the item may be slightly different from the pictures shown on website caused by many ctors such as brightness of your monitor and light brightness Please allow slight manual measurement deviation for the data. Heater line heating: The heater product line is about 17 to 45 degrees Celsius is normal, do not use over the temperature. The current limiting problem is that cold does not produce hot : the ighter in the driver's seat is 8.5a and its power is around 100W (the current of the lighter in the back seat is relatively large). However, the product is 150W which is larger than the lighter in the front seat, so it will affect the use. It is recommended to insert the lighter in the rear (or use the external limiting line, please ask professionals to install it). Outlet temperature of the heater: the outlet temperature of the heater will continue to about 80 to 100 degrees Celsius. Other things are strictly prohibited to cover the outlet of the heater, otherwise it will affect its use. For new energy vehicles, please purchase the external limiting line and install it. Package Content: 1 x On-board heater