BESTEK Advantage: America's #1 power inverter brand. Provides 150W continuous DC to AC power and 250W instantaneous power, featuring 1 AC outlet and 2 USB ports Patented Isolation Voltage Protection: This certified beast comes with low pressure and high pressure isolation and 25 amps fuse. Perfectly protect your precious devices against overheating, under and over voltage charging, short circuiting, overloads Fast Charging: Powerful 110V AC outlet for charging larger devices such as laptops and tablets. 2 USB ports (0-2.4A) for powering USB compatible devices, a good choice as requisite car accessories A Must Have for Road Trips: Ultra compact and lightweight, only 3.2 x 2.5 x 1.5 inches, 8 oz+. Space-saving and easy storage. 32 inch cord makes it easy for friends in the backseat to grab a charge for their devices Durable metal housing provides advanced protection from drops and bumps. Integrated silent cooling fan helps reduce heat and prevents shortages