Features Safe Operation The micro inverter can independently control each component in parallel, minimizing potential safety risks and ensuring safe and reliable operation. The solar inverter has a built-in high-precision instrument that allows you to see the operating status of each component, making it highly efficient and durable. HIGH EFFICIENCY This solar micro inverter allows maximum power point tracking to maximize the total output power, high MPPT efficiency, new high quality, reliable and safe quality. WIFI & APP CONTROL It can be operated and monitored via WiFi or mobile phone APP, is easy to use and greatly improves overall work efficiency, stable performance and high practicality. EASY TO INSTALL This solar inverter controller is compact and can be installed directly behind the module or on a stand for easy maintenance, which probably makes your life more convenient. Service:We attach great importance to our customers' buying experience. You can buy with confidence. As a responsible seller, our company provides reliable products and services. If you have any questions, please contact our customer service and we will solve them within 24 hours. Specification: item type: solar inverter Model: GTB 400. Maximum input power: 400 W Peak Current Tracking Voltage:22-50V Starting voltage: 22-55 V. Max DC Short Circuit:20A Maximum input operating current: 12A Ambient temperature range: -40-60°C. Waterproof rating: IP65. Communication method: wireless mode Power transmission mode: reverse transmission, load priority output data120V230VPeak output power400W400WRated output power400W400WRated output current3.3A1.7ARRated voltage range80-160V AC180-260V ACRated frequency range48-51/58 -61Hz48-51/58-61HzPower factor>0.99%>0.99%Maximum output efficiency6 (single-phase)12 (single-phase) Output efficiency 120V 230V Static MPPT efficiency 99.50% 99.50% Maximum unit per branch circuit 95 95% 95 % power consumption at night < 1 W < 1 W distortion factor < 5% < 5 %. Package list: 1 x inverter, 1 x AC cable, 4 x screws, 4 x nuts, 2 x seals, 2 washers Note: Please note that the new type and old type of this product will be sent randomly, and make sure you do not mind before ordering. Package List 1 x Inverter 1 x AC Cable 4 x Screws 4 x Nuts 2 x Gaskets 2 x Washers