Features: Powerful BBQ fan with adjustable speed for outdoor barbecues, picnics, wood stove, charcoal stove and metal smelting. Multiple power modes, can be paired with mobile power, phone 2A charging adapter ,and other 12V power supply; Small size, lightweight and portable, easy to carry.An essential tools for charcoal grill BBQ campfire fireplace. Adopt high-quality stainless steel, this fan ensures high air flow for all your cooking needs Fit for outdoor cooking, this fan is perfect for keeping the flames burning and achieving even heat distribution. Specifications: Material:Stainless Steel Color:Gray Input:USB 5V2A, US Power Input: AC100-240V 50/60Hz Output:5.5x2.1mm 12V1A Air Duct Diameter:Approx.3.8cm/1.5in,4cm/1.57in,4.2cm/1.65in (Optional) Size:Approx.12x7.5x4.5cm/4.72x2.95x1.77in Package Includes: 1xAir Blower 1xUSB Boost Cable 1xUS Plug Adapter note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.