We do not accept P. BOXES – PLEASE PROVIDE A PHYSICAL ADDRESS. We advise you to use a reputable carrier service when returning your goods. Please check the Voltage information and make sure it matches the one in your country. In case it’s not stated in the description, do ask us. We guarantee that your issue will be solved quickly. We usually respond within 24 hours on weekdays. 700W Micro Inverter Solar Grid Tie Microinverter IP65 WiFi Control Self Cooling 120V Automatic Identification Power Inverters, High frequency direct modulation and 6-grade power search design micro inverter–In overcast weather, the PV Panel’s output current is extremely tiny, then inverter will automatic open 6-grade power search function, and keep outputing efficent and steady during the low power. Solar micro inverter which can Directly connected solar panels (do not need to connect the battery), microinverter Support Wide Solar Power input(22-50VDC Voltage, 700W Solar Power), Output: 50Hz/60Hz(45Hz 64Hz), 700W 110VAC, ? 99.5% HIGH EFFICIENCY Grid tie inverter –Maximum Power Point Tracking(MPPT)—high-precision (MPPT)operation power automatic and immediate adjust the solarpanels output power at the maximum output point, made the inverter discharge power with the highest efficiency. Waterproof inverter with Exactly and timely automatic lsland Effect Protection, Adopt complementary PWM to push-pull pure sine wave, Constant Current, Constant Power—constant current and output power without any overload, over-current phenomenon. Grid-tie micro-inverter, Stack using Inverter—- Such as: 4 micro inverter of 260W stacking can achieve 1040W. The number of the stacking is unlimited. 700W Solar Micro Inverter IP65 Waterproof Grid Tie Inverter DC to AC 110V Micro.