Power Bright PW3500-12 Power Inverter 3500 Watt 12 Volt DC To 110 Volt AC Anodized Aluminum Case Provides Durability Led Display Shows Input & Output Wattages Built-in Cooling Fan Low Voltage Alarm Level: 11 +/- 0.5V. High Voltage Cut Off Level: 15.5 +/- 1V 3500 watts continuous power 7000 watts peak power Anodized aluminum case provides durability Built-in Cooling Fan Heavy Duty