Features:

continuous power: 400 watts
peak power: 800 watts
MAXXSST (Soft start technology
Overload protection
Ground fault interrupter circuit
Automatic reset
Turbo cooling fan
Low battery alarm & auto shut down
Short circuit protection
Unit can be self mounted
Instruction manual
Free 2 year tech support
2 year warranty parts and labor

Specifications:

Continuous output power: 400 Watts
Surge power capability (peak power): 800 Watts
dc input / operating voltage: 11 to 15 Volts
Output voltage: 120 Volts ac
Output wave form: modified sine wave
Output frequency: 60 Hz
Battery low voltage shutdown: 10.0 +/- 0.5 Volts
No load current: < 0.4 Amps
Full load efficiency: 90%
1/3 load efficiency: 95%
High input voltage protection: 15V
Low input voltage shutdown: 11V
Fuse protected
Dimensions: 4.75"L x 1.75"W x 6"H
Weight: 2 lbs.