1、Included Devices: Solar power generation system kit, including 12V to 110V 300W inverter, 20W solar panel, 30A LCD display solar controller, battery clips, cigarette lighter, and DC cable, etc. 2、Green and Red LED: When the inverter is working normally, the green LED lights up. When it is in a protected state, the red LED lights up. You need to turn off the inverter, check which protection function is working. 3、Dual USB Design: Dual USB ports can quickly charge most phones and tablets simultaneously, with 1 universal socket, suitable for AC sockets of the laptop, game console, television, player, RV, etc. 4、Multiple Protection: Safe charging design, with built in fuse to protect your device from reverse connection, overheating, undervoltage, overvoltage, short circuit, overload, and overcharging. 5、Applicable Scenes: This solar system kit is suitable for outdoor camping, vacation, work travel, can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere. Item Type: Solar System Kit Starting Peak Power: 500W Continuous Power: 300W LED Battery Display Screen: Shows battery percentage, input and output voltage, frequency, load percentage Input Voltage: 12VDC Output Voltage: 110VAC Dual USB Port: DC5V 2.1A No Load Current: ≤0.5A Conversion Efficiency: >90% Protection Function: Overload, Overheat, High Voltage, Low Voltage, Reverse Connection, Short Circuit Application: Suitable for appliances less than 300W (excluding inductive load appliances and motor products) 1 x Power Inverter 1 Pair Red Black Battery Clips 1 x Cigarette Lighter 1 x English Inverter Manual 1 x Solar Controller 1 x English Controller Manual 1 x Solar Panel 1 x Solar Panel DC Cable 1 x Solar Panel DC Crocodile Clip