Model HSG1500E Ac Frequency(HZ) 50 60 Power output 750W-1500W AC output Voltage(V) 110. 120. 220 .230.240 DC output 12V Starting Type Eletric starting/Automatic starting Material Mono-crystalline or poly-crystalline solar Output Wave Sine Model HSG500E Ac Frequency(HZ) 50 60 Power output 300W-500W AC output Voltage(V) 110. 120. 220 .230.240 DC output 12V Starting Type Eletric starting/Automatic starting Material Mono-crystalline or poly-crystalline solar Output Wave Sine Model HSG1500E Ac Frequency(HZ) 50 60 Power output 70W-150W AC output Voltage(V) 110. 120. 220 .230.240 DC output 12V Starting Type Eletric starting/Automatic starting Material Mono-crystalline or poly-crystalline solar Output Wave Sine Have EPA,ISO9001,CE,GS certificates.need more detailed information,please give me your email I will send our catalog to you