Description: Built-in protections short circuit,overload,overheat,low voltage and over voltage. keep your devices and car safe. Built-in cooling fan for span life and safety use. Smart size,light and compatible,lower noise and no pollution. Principle: this inverter is used for changing the dc into ac. Application: mini electric grinders, mini electric tools, mini sewing hines, dvd, vcd,vcrs, fans, lighting and so on. Specification: Color: Blue Material: aluminium alloy Peak power: 2000W Continuous power: 900W Digital display: input / output voltage Input voltage: DC 12V Output voltage: 220VAC/50Hz ±3Hz USB output: 5VDC-2.1A/1A/2.4A/1A (4USB interface) Plug: universal plug *3 No-load current: