Feature:1. The temperature can rise rapidly under the battery of normal voltage and power level, and the temperature can be raised in 5 seconds.2. With a silent fan, there is no noise during work, creating a good driving environment for you.3. Highquality iron material, hard, corrosionresistant and high temperature, long service life and good performance.4. Highquality iron material, hard, corrosion and high temperature resistance, has long service life and good performance.5. Used for car defrosting and heating to better and accurately meet your needs.Specification:Item Type: Car HeaterMaterial: IronColor: As the Picture Shown.Power: 600WProduct Size: Approx. 14.8 x 11.5 x 6.5cm or 5.8 x 4.5 x 2.6inPackage List:1 x Car Heater2 x Clamp1 x Positive Clip1 x Negative Clip1 x Accessories Bag2 x Aluminum Foil Tube1 x English ManualNote:1. To change the product installation, please go to the auto repair shop or install it in the car repair, do not modify the car circuit privately 2. Install the product and take electricity from the starter in the engine compartment of the car. Do not take electricity from other electrical systems except the car's starting circuit.3. After installation, before starting the car, be sure to turn off the heater circuit switch, so as not to cause difficulty in starting the car and increase the starting load of the car.4. Wait for the idling speed to stabilize after the car starts, then fire the defroster switch!