Features: 1) Input voltage: 10-15V DC 2) Lower input voltage warning: 10.5V DC 3) Lower voltage protection: 10V DC 4) Static current: 0.5A 5) Output voltage: 220V 6) Output frequency: 60Hz 7) Output wave: modified sine wave 8) Continuous power: 1000W 9) Surge capability: 2000W 10) Efficiency: 90% 11) Output overloading protection: 1000W 12) High temperature protection Packing: 4pcs/ctn N.W.: 18kg G.W.: 19kg