Features: * [Two Cigarette lighter splitter hole] In the car, Two Cigarette lighter splitter hole can help you to use the Cigarette appliance at the same time, For example, you can use your car audio and driving recorder at the same time, it helps you solve the embarrassment of having only one cigarette lighter hole in the car. * [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 and output voltage in real-time, when the battery voltage is lower than 10.5V, the inverter is low voltage protection, please try to charge your battery full power then try again. When the battery voltage is higher than 15V, the inverter high voltage protection) * [Fast Charging Four USB ports ] Two International Universal AC Outlets and support four USB charger ports 3.6A 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. What Size Power Inverter Do I Need? The size you choose depends on the watts (or amps) of what you want to run (find the power consumption by referring to the specification plate on the appliance or tool). We recommend you buy a larger model than you think you'll need (at least 10% to 20% more than your largest load). Specification: 1. Solar Panel 18W: Power: 18W 5% DC output: 12V/1.5A USB output: 5V/1.7A Weight: 0.7kg Type: Mono Solar Panel Material: Aluminum substrate Output accessories: DC cable + DC alligator clip Size: 420x280x2.5mm 2. Power Inverter: Starting peak power: 500W Continuous power: 250W Digital display: input/output voltage Input voltage: 12VDC