Claiming one full kilometer throw at 1800 lumens. That beats the TK61.
http://www.nitecore.com/UploadFile/Files/download/1-1_NC2014_Catalog_En_140128_web.pdf
http://www.nitecore.com/UploadFile/Files/download/1-1_NC2014_Catalog_En_140128_web.pdf