F-500E magnifying lamp 1.) Desk-top type 2.) Active arm is ... ) SummarizeMagnifier series are F-500A,F-500B,F-500C,F-500E,F-500F,F-500G,F-500H,F-500I (including green ... 40%,which accords with IEC standard.B) Parameter1. Voltage: 220V + 15%/-30% 50HZ/60HZ 110V±20% 60HZ2. Power: λ ≥0.933.Current ... and lock up until the power is turned off. F-500E magnifying lamp