4*1W led tube light:
1.CE ROHS approved
2.50000 hours working life
3.90% power saving
4.85~264VAC input voltage

4*1W white CE ROHS UL standards led tube light :

1.Showcase:

2.Specification:

1) Output  Power: 4*1W

2) Bulb holder: E27

3) Case color: Silvery white

4) Input voltage: 85~264VAC

5) Case material: Aluminium and glass

6) LED color: cold white

7)Color Temperature: 6000K

8)LED QTY:4pcs

9)Lumen:400-440LM

10)Input voltage:85~264VAC

3.Comparation of cold white and warm white

4.Effect in different area

5.More Advantage than general bulb