Replacement 26.5mm 1 Mode White/Red/Blue/Green/Purple Light XM L XML T6 Led Bulb Cup Module for 501B 502B Led Torch Flashlight|AC/DC Adapters| - AliExpress
LMJ-CN® Tactical Flashlight WF-501B Cree Xm-l T6 LED 1000 Lumens 3-4.2V 5 Mode Light with Tactical Pressure Switch, Batteries and Chargers & Mount Set : Amazon.ca: Electronics
Amazon.com: Energizer Under Cabinet Light, 2 Pack, Battery Operated Lights, Remote Control, Wireless, 40 Lumens, Under The Counter Lights for Kitchen, Closet, Pantry and More, 48635 : Everything Else
UltraFire Classic WF-501 Flashlight
Replacement 26.5mm 1 Mode White/Red/Blue/Green/Purple Light XM L XML T6 Led Bulb Cup Module for 501B 502B Led Torch Flashlight|AC/DC Adapters| - AliExpress
LMJ-CN® Tactical Flashlight WF-501B Cree Xm-l T6 LED 1000 Lumens 3-4.2V 5 Mode Light with Tactical Pressure Switch, Batteries and Chargers & Mount Set : Amazon.ca: Electronics