... pure sine good quality dc to ac 2000w power inverter with USB manufacture .good quality and easy to take anywhere modified ... sine wave good quality dc to ac 2000w power inverter with USB manufacture1. Input voltage: 10-15VDC or 21-28VDC ... pure sine waveFrequency:50HZ or 60HZProtection: overheating, polarity, overload, short circuit, low/over battery voltageIndicator: dual colour LED, green,redWeight: 4 ...