Specification: Condition: 100% Brand New Item Type: Car Inverter Material: ABS Color: As the Picture Shown Input Voltage: DC 10.5V-15V, (When the battery voltage is lower than 10.5V, the inverter is low voltage protection, when the battery voltage is higher than 15V, the inverter high voltage protection) Optional Output Voltage : AC 110V, AC220V Output Frequency: 50Hz for 220V model / 60Hz for 110V model. Peaks Power : 3000W ed Power: 300W Output Waveform: Modified Sine Save. 8 healthyty Protection Function: Reverse polarity protection, low input voltage protection, high input voltage protection, over-current protection, short circuit protection, over tempe ure protection, overload protection, internal fuses. Instruction: What Size Power Inverter Do I Need? The size you choose depends on the watts (or amps) of what you want to run (find the power consumption by referring to the specification plate on the appliance or tool). We recommend you buy a larger model than you think you'll need (at least 10% to 20% more than your largest load). Package List: 1 x Car Inverter 2 x Battery Clip 1 x Plug for Cigarette Lighter 1 x Instruction