Solar Grid Mini Inverter Inverter Using IP65 waterproof streamline design, Can effectively prevent rainwater on the surface erosion, Built in high performance Maximum Power Point Tracking(MPPT)Function,Better to track changes in the solar luminosity and control different output power, Effectively capture and collect sunlight. Operating Voltage range:18-50v Starting Voltage range:20-50v Waterproof:IP65 Heat Dissipation Mode: Self-cooling(No fan) Temperature Range:-20 to 65 MPPT Efficiency:0.99 Electromagnetic Detection:EN50081.part1 EN50082.Part1. STD.C22.2 No.107.1 Power Grid standard: EN61000-3-2 NBR EN62109.UL STD.1741 Power grid detection:DIN VDE 0126IEEE STD.1547.1547.1 and 1547.A LED Indicate: 1. Long bright green light- - Mini inverter to normal 2. Green light flashing- -Mini inverter power 3. Long bright red light- -An island protection and fault 4.Red light flashing: . AC voltage under-voltage protection (flash a red light) . AC voltage overpressure protection (red light flashing 2) . Frequency protection (red light flashes three times). Colour:Silver Material:Metal type:180W (DC10.8V-30V) Package Contents: 1 x Grid Photovoltaic System Solar Inverter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.