... . A) SummarizeMagnifier series are F-500A,F-500B,F-500C,F-500E,F-500F,F-500G,F-500H,F-500I (including green glass and ... D). 14W(2x7w) U shape fluorescent lamp ( Type F,G,H,I), 22w(A,B,C,E). Its active ... tp≤1.5 second5. Lumen: Lm≥0.956. Protector: can protect the over current flow in abnormal circumstance ... the lamp begins lighting normally.4. It has protector when the lamp occurs with non-lighting etc. ...