Features: brand new and high quality Don'for t connect the inverter to the household circuit. The leading brand in the inverter field, high quality alloy inductors, filtered waveforms to ensure a true pure sine wave AC output to for safeguard your equipment. Suitable for air conditioning, refrigerator, freezer, lighting and other household appliances. To protect your battery and devices. Safe charging technology provides for protection against overheating, under/over voltage charging,overload and short circuiting. It not only ensures your ultra-quiet usage experience, but also enables the inverter to operate safely and effectively. Specifications: Material:Alloy Type:1000W 12V/2000W 12V/3000W 12V/4000W 12V/1000W 24V/2000W 24V/3000W 24V/4000W 24V/1000W 48-60V/2000W 48-60V/3000W 48-60V/4000W 48-60V Size-1000w:22x9.8x5.5cm/8.66x3.85x2.16inches Size-2000w:30x9.8x5.5cm/11.81x3.85x2.16inches Size-3000w:25.8x15x7.5cm/10.15x5.90x2.95inches Size-4000w:27.7x15x7.5cm/10.95x5.90x2.95inches Input voltage: for DC 12V/24V Output voltage: AC 220V Note: Due to the light and screen difference, the item's color may be slightly different from the pictures.Please allow differences due to manual measurement. Package includes: 1 x Pure Sine Wave Power Inverters