Specification: Item Type: Solar Micro Inverter Material: Aluminum Alloy Inverter Box Size: Approx. 13 x 7.7 x 3.7cm / 5.1 x 3.0 x 1.5in Output Voltage Waveform: Sine Waving Photovoltaic Output (DC): Input Connector Quantity: 1 Set Mppt Voltage Range: 24V to 40V Operating Voltage Range: 18V to 50V Maximum Input Voltage: 50V Start Voltage: 18V Maximum Input Power: 350W Maximum Input Current: 14A AC Output (AC): Single Phase Grid Type: 230V Rated Output Power: 320W Maximum Output Power: 350W Rated AC Current: 230V:1.39A Rated AC Voltage: 230V AC Output Voltage Range: 230V AC: 180V to 280V Rated AC Frequency:50/60Hz Output Frequency Range: 50Hz: 47.5 to 52.5Hz/60Hz: 57.5 to 62.5Hz Output Power Factor: >0.99 Efficiency: The Highest Conversion Efficiency: 92.5% CEC Weighted Efficiency: 230V AC: 91.5% MPPT: Tracking Efficiency: 99.9% Night Loss: <700mW Temperature Range: -40℃ to 65℃ (ambient temperature)/-40℃ to +85℃(storage temperature) Waterproof Grade: IP55 Communication: None Protection Mode: Island Protection, Voltage Protection, Frequency Protection, Temperature Protection, Current Protection, Etc. Comprehensive Grounding: the PE End of the AC Cable is the Grounding Wire of the Device, and There is No Other Grounding Port. Package List: 1 x Solar Micro Inverter 1 x User Manual 1 x AC Cable Note: This device can only be connected to solar photovoltaic modules as an input source.