Dancelite 26.5mm Cree Xm-l U3 3-mode(hi-me-lo) Led Module Drop-in for 501b 502b Flashlight *CREE XM-L U3 LED Emitter *Orange Peel Aluminum Reflector *3-Mode (high-medium-low) *3.7V Voltage *26.5mm suitable for WF-501B 502B flashlight