Hot Wind Speed: 4.2M Second Cool Wind Speed: 4.7M Second Material: ABS plastic Product Packing weight :1420g Voltage Rate: 100-240V50 60Hz Power: 300W Function: 3 Speed 3 Heat Setting Hot wind temperature:58?, 59?, 60?(High, medium and low) Hot wind working time:20min, 25min, 35min(High, medium and low) Cold wind working time: 120min, 150min, 210min(High, medium and low Battery capacity: DC 12V 4900mah Charging time:About 4 hours Adapter:100-240V 50 60HZ Accessories: 2 wind nozzle, 1 adapter, 1 charging stand Instructions: When the battery is fully charged, press and hold the function button for 3seconds to start or close, click the regulation gearPortable Hair Dryer: This hair dryer is unique in design, no wiring harness, and no longer limited by the power socket. It is battery powered, lightweight and portable. Ideal for travel, outdoor camping, crawling, swimming, painting tests, pet care, child care and more. Safe and Healthy: Turn off the power automatically when it overheated. Differing from the normal AC motor hair dryers, this blow dryer runs with a DC motor. The gentle wind blowed out will do no harm to the brain, especially safe for babies and kids. Cordless Hair Dryer with Heat: With 3 heat and 3 speed settings, mainly for infants, men and oil painting, it also can be used on dry long hair, but it may spend you more time than other AC high power heated wired hair dryer !. Battery Powered Hair Dryer: Built-in 4900 mAh battery, It can continuously use 15-20 minutes of hot air, 2-3.54 hours of natural wind. With dual voltage, it's perfect for worldwide travel. Please Read Important Tips Before Purchase: This cordless hair dryer, power is only 350W, and the hot air it provides cannot be compared with the traditional DC hair dryer. Please watch this fact. I believe that at some time (such as power outages, outdoors), you will need it.