Ultrafire WF 501b Cree R5 WC 3 Mode Cree Led Flashlight 320 Lumens w/ Holster CREE R5 WC with 320 Lumen output, includes holster 3 Mode Output: High - Low - SOS Aluminumalloy casing with o-rings for water resistant design Can be mounted on tactical rail with 1" ring mount Rugged, anodized, CREE LED designed to last 100,000 hours