DC TO AC Pure sine wave inverter. 
Protection:
Low voltage protection
Over voltage protection
Reverse connection protection
Low voltage alarm
overload protection
short circuit protection
 
NOTE： 500W-1500W/12V;
                  2000W-3000W/12V/ 24V
                   Inverter with USB*1;
                   Battery level display *1;
                   DC cable*1 pair