New compact and lightweight design with THERMAL fan! 300W continuous power Pure sine wave Thermal fan Dual ac receptacle On/off switch Enclosed dc battery connections Convenient cigarette plug & alligator clips (To protect the vehicles wiring, the vehicles cigarette lighter adapter can only handle 180 watts, if you are going to use more than 180 watts you must wire inverter to battery ac output short circuit protection Instruction manual Free 1 year tech support 1 Year Warranty Parts and Labor Specifications Continuous output power: 300 Watts Surge power capability (peak power): 1000 Watts dc input / operating voltage: 10 to 15 Volts Output voltage: 120 Volts ac Output voltage regulation: +/- 3% Output wave form: pure sine wave Output frequency: 60 Hz DC amps: 25 AC amps: 2.5 Battery low voltage alarm: 10.5 +/- 0.5 Volts Battery low voltage shutdown: 10.0 +/- 0.5 Volts No load power consumption: < 0.7 amps Full load efficiency: 90% 1/3 load efficiency: 95% No load minimum operating temperature: -15 degrees Celsius Full load maximum operating temperature: 55 degrees Celsius (automatic shutdown) AC Output Socket Type: dual Type 2 -3 prong High input voltage protection: 15V Low input voltage shutdown: 10V External blade fuse protection Product size (D x W x H): 6x6.2""x2"" Weight: 2.8 lbs""