Specifications: Input Voltage: DC 10.5V~15V. Output Voltage: AC 220V /110V. LED Display: DC/AC voltage display. Output Frequency: 50Hz for 220V / 60Hz for 110V. Peaks Power: 4000W. Rated Power: 300W . Output Waveform: Modified sine wave. Package Size: 8.1x4.6x2.1 inch . Weight: 0.65 kg . Power Inverter: Car Solar Power Inverter with 2 USB ports and AC outlet. Advantage: Power Inverter: Car solar inverter with 2 USB ports and AC outlet.LCD smart display: LED display shows battery capacity, load, input voltage, output voltage, output frequency, and the cigarette lighter wire can easily power the device. If the output power is higher than 200W, please use alligator clips to connect the battery. FAST CHARGING DUAL USB PORTS: One AC outlet and two USB ports provide 100% fast charging for cell phones, computers, laptops, breast pumps, atomizers, shavers, medical rescue equipment, emergency equipment and more, which can be used as Emergency power supply. Multiple Protections: Built-in fuse, safe charging design and cooling fan prevent car solar converter from overheating, saving power and energy. Overvoltage, overload, overcurrent, short circuit, undervoltage, overheating, short circuit protection. LIGHTWEIGHT DESIGN AND TOP QUALITY: Lightweight and compact, ideal for vacation, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere.Features: 12V is generally used in cars, 24V is generally used in trucks, and 48V and 60V are generally used in electric vehicles. Available range of rated voltage of electrical appliances: 200~240V, 100~120V Our inverter input voltage safety range: 12V (9.8~15V) 8 safety protection functions: Reverse Polarity Protection Low Input Voltage Protection High Input Voltage Protection Overcurrent Protection Short circuit protection Over temperature protection Overload Protection Internal Fuse