Specification:Condition: 100% Brand NewItem Type: Car HeaterMaterial: IronColor: As the Picture ShownOptional Voltage: 12V, 24VPower: 600WProduct Size: Approx. 14.8 x 11.5 x 6.5cm/5.8 x 4.5 x 2.6inInstallation Method: This product does not include a cigarette lighter plug, which is a wiring model. Please do not disconnect the internal circuit and the dedicated circuit, please connect firmly when installing, use the red wire positive and black wire negative. In order to avoid the fan from burning out, it is recommended to use copper wire and car generator Package List:1 x Car Heater2 x Clamp1 x Positive Clip1 x Negative Clip1 x Accessories Bag2 x Aluminum Foil Tube1 x English Manual Note: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!