To that end [johnaldmilligan] spent a couple hours building an infrared flashlight-gun with an LED display to venture into the night. [johnaldmilligan] disassembled a handheld spotlight to use as ...

(InfraRed remote control) A handheld, wireless device used to operate audio, video and other electronic equipment within a room using light signals in the infrared (IR) range. Infrared light ...

Available on Amazon, the palm-sized wand device harnesses the power of red and infrared light to help speed up healing, pain relief and recovery.

It is also beneficial to have a large IR light source so you may consider modifying that giant LED flashlight you’ve been meaning to build so that it operates in the infrared wavelengths.