1、High in Safety: The solar grid micro inverter can independently control each component in parallel, largely improving the safety. 2、Reliable Using: Built in high accuracy instrument allows you to better check the working status of each component, very simple. 3、Efficient Work: Maximum power point tracking can be achieved to maximize the overall output power. 4、Better Control: Can be operated and monitored through WiFi or mobile APP, which greatly improves the overall working efficiency. 5、Easy to Install: Can be installed directly behind the module or on a bracket for easy maintenance, very reliable and practical. 1 x Solar Grid Micro Inverter1 x AC Connecting Cable4 x Screw4 x Nut2 x Washer2 x Gasket Item Type: Solar Grid Micro InverterModel: GTB 300Maximum Input Power: 400WPeak Power Tracking Voltage: 22-48VMinimum and Maximum Startup Voltage: 20-50VMaximum DC Short Circuit: 20AMaximum Input Working Current: 12AAmbient Temperature Range: -40℃ To +60℃Waterproof Grade: IP65Communication Method: Wireless ModePower Transmission Mode: Reverse transmission, load priority. THD: <5% Output Data 120V 230V Peak Power Output 400W 400W Rated Output Power 400W 400W Rated Output Current 5A 2.6A 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 6pcs, single phase 12pcs, single phase Output Efficiency 120V 230V Static MPPT Efficiency 99.50% 99.50% Maximum Unit Per Branch Circuit 95% 95% Power Consumption at Night ＜1W ＜1W