Package includes:1 x 12V Portable Car Cooler Heater Defroster Fan Description:1. 2-IN-1 Function. Cooling or heating air for your car.2. Quickly heats the air without having to wait for your engine to warm up.3. Defrost or demist your car windows quickly and efficiently.4. Can also be used as a fan to cool you in the summer.5. Easy to use, just plug it into your vehicle's ciga    rette socket and turn it on.6. The base can be mounted using either the screws or adhesive pads.7. Portable size, with air ventilation. Specifications1. Name: Car heater Fan 2. Model: D617133. Material: Plastic4. Color: Black5. Power supply: Car Ciga   rette Lighter6. Input: 12V7. Maximum power: 150W How to use:1. Insert the 12V auto plug into car ciga  rette lighter socket fully.2. Position the switch to the designed setting(Heat, Off or Fan).3. Position the car heater on the floor or dashboard.4. Unplug the car heater when not in use. Note:1. The temperature is not high enough while heating in two reasons: the car accumulator’s capacity too small or its quality not good enough.2. Some old cars or those with a poor accumulator may have a problem that the heater is not strong enough. 3. Please allow a little error due to manual measurement.