Specification: brand new and high quality Provides instant heat even in the coldest conditions Auto temperature control,cooling and heating mode Fan/Heater switch Provide the comforts for professional drivers and travelers Power: 150W Voltage input: DC 12V (ONLY) Adjustable mounting bracket for easy positioning Size: approx. 19 x 12 x 17cm Cable Length: approx. 150cm Packing included: 1pc x Car Fan Heater (with Self Adhesive Tape) Note: Please read the user manual carefully before using the product. Do not attempt to charge batteries that are frozen as this will damage the battery charger. Applicable current is 20A or more Please check whether the car line is aging before use. If the line is aging, it is not recommended. Replace the fuse in the event that the product can not heat. If the product has only cold air but no warm air, that is the fuse overload protection, so needs to check whether the line is aging or if it needs to replace a better fuse. When switch to "300w" key, the current of the car is up to 2, please make sure you car can work in this situation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin