Features:* [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. Specification:1. Solar Panel 18W:Material: Aluminum substrateType: Mono Solar PanelPower: 18W 5%DC output: 12V/1.5AUSB output: 5V/1.7AOutput accessories: DC cable + DC alligator clipSize: 420x280x2.5mm 2. Power Inverter 4000W:Input voltage: DC 10.5V~15V,(When the battery voltage is lower than 10.5V, the inverter is low voltage protection, when the battery voltage is higher than 15V, the inverter high voltage protection)Output voltage: AC 110VOutput frequency is: 50HzPeaks Power: 4000WRated power:300W(Please make sure that the total rated power of the connected devices is 300W).Output waveform: Modified sine waveProduct Size for inverter: 200X112X56mm 3. 30A 12V 24V Automatic Solar Charge Controller PWM with LCD Controller and Dual USBCharge Current: 30AVoltage: DC 12V / 24V Auto intelligent conversionDisplay: LCD digital displayUSB Charger Ports: Dual USB 5V 2.1AOperating Temperature: -35~+60Max Solar Input: 12V battery, the highest 23VFloat Charge: 13.7V (default, adjustable)Discharge Stop: 10.7V (default, adjustable)Discharge Reconnect: 12.6V (default, adjustable)Charge Reconnect: 13VVoltage of Open Light: Solar Panel 8V (Light lights delay)Voltage of Close Light: Solar Panel 8V (Light off delay)USB Output: 2 way USB output, 5V/2.5A (MAX)Size: 148.5x78x35mm 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). Packing included:1 x Power Inverter1 x Solar Panel 18W 18V1 x Solar Charge Controller 30A 12V/24V2 x Battery Clip1 x Cigarette Lighter Plug(gift)1 x User Manual Note:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.