Features 1、6 GUARDS FUNCTIONS: The pure sine inverter provide overcurrent guard, overload guard, overtemperature guard, short circuit guard, low voltage guard, flame retardant guard, safe and reliable 2、LONG TERM USE: Pure sine inverter use aluminum alloy shell, light weight, possess good thermal conductivity, can quickly reduce the temperature of components, long term work is not affected 3、PURE SINE: Intelligent filtering, does not interfere with electrical appliances, and protect electrical appliances. Possess high conversion efficiency, low power consumption can greatly extend battery life 4、POWERFUL OUTPUT: Pure sine wave inverter convert 12V DC to AC 220V. Deliver 300 watts of sine wave power. Equipped with an AC socket and a USB port for multi purpose charging 5、WIDE RANGE OF APPLICATIONS: Sockets are designed to easily plug into most of the different countries on the market at the same time. AC socket is very suitable for laptop computers, digital cameras, video cameras, mobile phone chargers, audio and video players, small TV, small refrigerator, electric kettle, microwave oven, vacuum cleaner, fax machine, printer, lighting equipment, communication equipment, power tools and other household appliances can be easily brought to the outdoors or your car to use 6、BUILT IN FAN: Pure sine power inverter has a cooling fan to prevent equipment from overheating. With continuously variable speed and temperature control Settings, the heat generated by the machine operation depend on the fan speed, which is truly silent, allowing you to work comfortably in a quiet environment, and the sound of the cooling fan is below 45 decibels Specification Item Type: Pure Sine Inverter Material: Aluminum alloy Peak Power: 500W Rated Power: 300W Size: Approx. 19.8 x 9.5 x 5.5cm / 7.8 x 3.7 x 2.2in Output Waveform: Sine wave Output Frequency: 50Hz Input Voltage: DC12V Undervoltage Alarm: 9.5-11V Low Voltage Cut Off: 9-10.5V Overvoltage Cut Off: 14.5-15.5V Output Voltage: AC220V USB Charging: DC5V 2A No Load Current: <0.3A Conversion Efficiency: 80% Package List 1 x Inverter 1 x Cigar Lighter Line 2 x Crocodile Clip Line 1 x User Manual