UltraFire U20S CREE T6 XML
CREE T6 XML 600lm White LED
Emitter Color: White
Smooth Reflector
Tailcap Switch
Model: High , Mid, Low
3 mode Change
Lens:Coated Glass Lens
Type III hard-anodized finish
Battery Configurations:UltraFire AA size x 1
100 mm(L) x 22mm (Diameter) Head 53g
I haven’t got the link to the item, but here is a written review about this light, with a Link to Kaidomain .
They seem to provide legit lumen ratings!