Specifications; Charging method -Adapter; DC 18-21V -Solar Panel; 18V-75W -AC output; AC220V+5% or AC11Ov+5% -AC output rated power; 300W 50Hz/60Hz -AC output waveform; the pure sine wave -AC output socket; Standard socket DC -USB1; QC3.0 Protocol fast charge 40W -USB2/USB3 output; 5V3A -DC Bubble output*5; DC12V-120W Illumination -Front 10W aluminium lamp cup torch -500 meters ultra-long range -Side-mounted high-brightness LED 15W panel light Description; -The design consists of a lithium iron phosphate 4s battery protection board, DC/MPPT Charging circuit, MCU control circuit, inverter circuit, and LCD screen. -Inverter 300W PURE SINE WAVE AC220V/50Hz, subject to pure resistance load, DC port output 10V-14V/10A, USB QC3.0. It is suitable for camping, emergency communication, medical rescue, fire rescue, and other fields -The DC Switch is the main switch and the LED screen will light up when turned on the bulb jack and USB port are powered on, and the screen darkens after 20 seconds without load. -After the DC switch is on, turn on the AC switch -This product has under-voltage protection, overvoltage protection, over current, overload protection, short circuit protection, and temperature protection function What's in the box 1 x 300W Power Supply 3 x Solar panels 1 x 5m solar panel cable 1 x Adapter 1 x USB cable 1 x 1.5m double-ended DC cable 4 x Switch bulbs