... sine pure sine wave good quality dc to ac 2000w power inverter with USB manufacture1. Input voltage: 10-15VDC or 21-28VDC ... or 60HZProtection: overheating, polarity, overload, short circuit, low/over battery voltageIndicator: dual colour LED, green,redWeight: 4.3kg 1.Automatic ... thermal shutdown 2.Low battery alarm / shutdown 3.Extra surge capacity 4.Short Circuit ...