Xtar B20 Multi-functional Flashlight-pilot Cree Xm-l U3 Led 18650/18700 Bright Light Simple User Interface Tactical Tail Cap Switch XTAR B20 Pilot is a multi-functional 18650/18700 sport flashlight with simple user interface, released in June, 2013 by XTAR Company Using the high output CREE XM-L U3 LED plus the high efficiency constant current driver circuit, B20 produces a very bright light. The excellent integration heat dissipation also helps to extend the LED lifespan. The tail cap forward tactical switch with the momentture