Easy installation, just plug and play External antenna for stronger communication with DTU Power factor (adjustable) 0.8 leading...0.8 lagging Compliant with VDE-AR-N 4105: 2018 & EN50549-1: 2019 High reliability; NEMA (IP67) enclosure; 6000V surge protectionQ1: Can I get one for sample? A1:Yes, we accept sample order or trial order for testing first. Q2: What's the price and MOQ? A2:Please just send me inquiry, your inquiry will be replied within 24 hours, we will let you know the latest price and MOQ. Q3:What's you delivery time? A3:It depends on your quantity, but usually, 7 days for sample order, 30-45days for batch order Q4: How about your payment and shipment? A4:Payment: We accept T/T, Western Union,Paypal etc. terms of payment. Shipment: For sample order, we use DHL, TNT, FEDEX, EMS etc.,for batch order, by sea or by air( through our forward) Q5:How about your warranty? A5:Normally,we provide1 year warranty,and whole life technical support. Q6.Do you have you own factory? A6:Yes,we are leading manufacturer mainly in off grid solar power inverter,solar charge controller and systems ect.for about 12years.Skycorp has established long term relationship with SRNE, Sungrow, Growatt, Sunray. Our R&D team work closely with them on developing hybrid inverter, battery storage system and home inverters. We designed our battery to be paired with home inverters, providing clean and renewable energy source for millions of homes. Our products include hybrid inverter, off-grid inverter, solar batteries, energy storage systems and etc.1.Any requires will be replied within 24 hours. 2.China Professional Manufacturer of DC to AC Inverter, Solar Inverter, Hybrid Inverter, MPPT Solar Charge Controller, etc. 3.OEM is available: meet all your reasonable demands. 4.High quality,reasonable & competitive price. 5.After service: If our product have some problems. Firstly,please send pictures or videos to us,let us make sure what problem there is. If this problem can use parts to solve,we will send the replacements for free, if the problem can’t solve,we will give you discounts in your next order for compensation. 6.Fast shipping: Normal order can be prepared well within 5 days,large order will take 5-20 days.Customized sample will take 5-10 days.