Features 1SAFE OPERATION: The micro inverter can independently control each component in parallel minimize potential safety hazards and ensure safe and reliable operation. 2WITH INSTRUMENT: The solar inverter has built in high accuracy instrument you can see the working status of each component which is efficient and durable. 3HIGH EFFICIENCY: This solar micro inverter can achieve maximum power point tracking to maximize the overall output power with high MPPT efficiency. 4WIFI AND APP CONTROL: Can be operated and monitored through WiFi or mobile APP which is convenient to operate and greatly improves the overall work efficiency. 5EASY INSTALLATION: This solar inverter controller has a compact structure can be installed directly behind the module or on a bracket for easy maintenance. Specification Item Type: Solar InverterModel: GTB 400Maximum Input Power: 400WPeak Power Tracking Voltage: 22-50VStart Voltage: 22-55VMaximum DC Short Circuit: 20AMaximum Input Working Current: 12AAmbient Temperature Range: -40-60Waterproof Grade: IP65Communication Method: Wireless ModePower Transmission Mode: Reverse transmission load priority Output Data 120V 230V Peak Power Output 400W 400W Rated Output Power 400W 400W Rated Output Current 3.3A 1.7A Rated Voltage Range 80-160V AC 180-260V AC Rated Frequency Range 48-51/58-61Hz 48-51/58-61Hz Power Factor 0.99% 0.99% Maximum Output Efficiency 6 (Single Phase) 12 (Single Phase) Output Efficiency 120V 230V Static MPPT Efficiency 99.50% 99.50% Maximum Unit Per Branch Circuit 95% 95% Night Power Consumption