Features:
 Universal Protection Circuit: Over-Voltage, thermal protection, earth fault protection, overload protection, short circuit protection.Inverter and charger indicator: Fully charged, Public Power, Inverter fault.Dual Switch (Inverter, Charger) supporting battery deep discharge.Transfer time between bypass model and inverter mode less 10Ms, no influence in appliances work when public power off.Power switch controller (inverter switch, charger switch), so that it can support battery deep discharge.PWM high-frequency technology - small size but big power.Fast Charging: 25A charging amp.Quiet Operation: Fan move only when necessary. (Temperature control fan)High surge and efficient.Battery voltage display - so you know battery level anytime.AC voltage display. Specification:
 Inverter input: DC 12V/24VInverter output: AC220+/-5%Output frequency: 50Hz or 60Hz+/-1%Ouput waveform: Modified sine waveContinous power: 3000WSurge power: 6000WInverter Best efficiency: Aprox 90%No Load Current Draw: less than 0.6ABattery low alarm: 10.0-11VBattery shutdown: 9.5-10.5vThermal shutdown: 60+ degreesAC output: 1 BS socketVoltage input meter: yespower out put meter: yesLED display.USB Output.Diamension: 454 x 180 x 142MMWeight: 5400g aprox. CHARGER:
 Max Charging Current: 25AAC input voltage: 220vAC working voltage: 170v ~ 250vAC input frequency: 60HZAC input low voltage protection: <= 150vAC input high voltage protection >=250vAC input parameter: yes Package Included:
 1 x 3000W DC 12V/24V to AC 220V Power Inverter2 x Battery Cables1 x Cahrging Cable1 x User Manual(Note: 12V Power Inverter only have 1 Pair of Battery Cables)

Detail Pictures: