... with PC,both English and Chinese version. 1. Input voltage,current,power,PF,frequency,phase angle, total harmonic and 0~50th harm ... . Input(DC) 3. Input voltage,current,power 4. Output(AC) 5.Test lamp voltage,lamp current,lamp power 6. Test changing curve and data ... 10. Frequency response up to 1MHz lrms, content to every LED power 11. Input and output parameters tested simultaneously within 1 second ...