Product Type: Power Inverter Color: Black/Red Peak power: 4000w Rated power: 500w Digital display: input/output voltage Input voltage: 12VDC Output voltage: 220VAC/110VAC Dual USB interface: DC5V/2.1A No-load current: ≤0.5A Conversion efficiency: greater than 90% Protection function: overload, over temperature, high voltage, low voltage, reverse connection, short circuit, intelligent temperature control Features: [Car Power inverter] Car power inverter with 2 USB ports and one AC outlet. The power inverter comes with free cigarettte lighter and 2pcs battery clips, providing 300Watt continuous power, 4000watt peak power (Please make sure that the total rated power of the connected devices is ≤ 300W). Cigarettte lighter cable can supply power for device easily. If the out put power is higher than 150W, please using the Crocodile Clips to a battery. [LED Green&Red Work Lights] When inverter work normal, the green LED Lights work and tell you it is working well, but when it is on protection status, such as low voltage, high voltage, over temperature, or over load, the Red Led Lights will light up and you need to turn off the inverter, and check which protection function is work, and try to solve it then the inverter can work again. [Intelligent LCD Voltage Screen display] Colorful smart LCD Display shows the battery Input battery voltage, output voltage, Battery capacity, frequency 50Hz or 60Hz, load capacity in real-time, which can help you to know the state of inverter conveniently. [Fast Charging Dual USB ports ] One AC Outlets and support two usb charger ports(Max 4.2A) to work at same time and it can offer 100% fast charging for Mobile phones, computers, laptop,breast pump, Nebulizer, Razors, medical rescue device, emergency equipment etc. Easily meet the power supply needs of the diverse vehicle electrical appliance and it can be as a Emergency Power Supply. [Multi Protection] Built-in fuses, safe charging design and cooling fan prevents the car power converter from over-heat, saving power and energy, over voltage, overload, over-current, short circuiting, under-voltage, overheating, short circuit protection. [Lightweight design &Top Quality] Lightweight and compact, ideal for vacations, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere. Package Contents: 1x Power Inverter 1x Cigarettte Lighter Plug 2x Clips 1x User Manual