About the sizes--- The overall size of this plug-and-play defroster and defogger is 13.5 x 7 x 6.4cm and the cable length is 1.5m.< /p> Excellent Performance: The mini portable car heater can be heated quickly without any noise. Its voltage is 12V, suitable for most cars, the maximum power can reach 120W. Multiple functions--- This black and red car heater is mainly used for defrosting, defogger, heat and cooling, so as to improve driving safety. Other advantages--- The defroster / defogger can be rotated 360 degrees with high flexibility and comes with a double-sided tape, which has high viscosity and is not easy to fall off. And the temperature range of the air outlet is 80-100C, which can meet your different temperature needs. Note: The normal heating temperature of the power cord is 17-45C, please do not use the car heater above this temperature. When the voltage is overloaded, the car heater will automatically turn off. Not suitable for new energy vehicles.