1.High quality, low cost, clean design 2. Pure sine wave 3.Certificates: SAA;CE;ISO;G83 4.MPPT efficiency (97%) IGBT ... precise quality-way, the massive technology-power, the intact service-system to get cheap price, high quality, innovative idea, short time ... and other regions. Products Specification Model: TLS4KTS (4000W 220V GTI inverter for home use) Use Sample Wiring Diagram Inverter 4kw Job Site