Specifications Model: GYS-3500W Continuous Output Power: 3500W Peak/Surge Power: 7000W DC Input Voltage: 12V DC(9.5-15.5V) AC Output Voltage: 120V AC ± 5% Output Waveform: Pure Sine Wave Features: LCD Display Outlet Type: 4 x US Outlets No Load Current: < 0. 8 A USB Output: QC 3.0 18W THD: 3% Output Frequency: 60 Hz Low-voltage Shutdown: 9.5 ± 0.5V Low-voltage Alarm: 10.5 ± 0.5V Over-voltage Shutdown: 15.5 ± 0.5V Fuse: 50A Over-temperature Protection: 176 / 80 Over-load protection: Alarm at 125% overload, stop working after 20s Efficiency: 88% Cooling Mode: Intelligent Fan Cooling Built-in Cooling Fan: Starts when the internal temperature is 113 / 45 Fan Operating Noise: 20-40 dB Remote Controller Cable Length: 9.8 ft / 3 m Remote Controller Dimensions(L x W x H): 3.74 x 2.76 x 0.98 in / 9.5 x 7 x 2.5 cm Remote Controller Connection Type: 6P6C Battery Cables Specifications: 35 mm² x 50 cm / 1.64 ft Product Dimensions(L x W x H): 13.78 x 7.87 x 5