1Complete isolation of output and input, guarantee reliability and safety of power utilization. 2IP65 waterproof streamline design surface, effectively protect the micro inverter from water etching. 3Using 433MHz wireless conmmunication mode, low investment on maintenance, flexible and easy installation. 4Lifelong free intelligent monitoring system to collect real time data in the inverter and to control the on/off switch. 5Reverse AC power transmission technology, allows high efficient usage of power, the rate of power transmission is up to 99%. Features: 1.Complete isolation of output and input, guarantee reliability and safety of power utilization. 2.IP65 waterproof streamline design surface, effectively protect the micro inverter from water etching. 3.Using 433MHz wireless conmmunication mode, low investment on maintenance, flexible and easy installation. 4.Lifelong free intelligent monitoring system to collect real time data in the inverter and to control the on/off switch. 5.Reverse AC power transmission technology, allows high efficient usage of power, the rate of power transmission is up to 99%. Specifications: Item Type: Micro Inverter WVC-300 (Wireless) Material: Aluminum Alloy Size: Approx. 16.5 x 4 x 11cm/6.5 x 1.6 x 4.3in Maximum Input Power: 375Watt Suitable Solar Panel: Power300W, Open Circuit Voltage30-60VDC Solar Panel Open Circuit Voltage Range:30-60V0C Peak Power Voltage:22-60V Min and Maximum Starting Voltage:22-60V Maximum DC Short Circuit Current: 15A Maximum AC Current:13.7A Output Parameter:@120V @230V Output Peak Power: 310Watt310Watt Rated Output Power: 300Watt300Watt Rated Output Current: 2.5A, 1.3A Rated Voltage Range: 80-160VAC, 180-260VAC Rated Frequency Range:47-52.5Hz/57-62.5Hz, 47-52.5Hz/57-62.5Hz Power Factor: >99%>99% Output Efficiency: @120V@230V Static MPPT Efficiency: 99.5%, 99.5% Maximum Output Efficiency: 92.5%, 93.5% Night Loss Power: <1W<1W Working Temperature Range: -40 to 60 Waterproofing Grade: 1P65 Heat-dissipating Method: Self Cooling Communication Mode: Wireless Communication 433/462MHz Electromagnetic Compatibility: EN50081, EN50082 Power System Disturbance: EN61000-3-2, EN62109 Network Test: DIN VDE1026UL1741 Certification: CE Package Weight: 1.043kg Package List: 1 x Micro Inverter 1 x Manual 1 x Connecting Cable 2 x Screw 2 x Nut 4 x Annulus Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.