PhotonBoy
Flashlight Enthusiast
Silicon Valley Biz Ink
http://www.visiled.com/home.html
"The Halo is the first cordless headlight suitable for high-intensity surgical illumination.... The proprietary design consists of two ultra-bright LEDs fitted onto a lightweight headband and powered with rechargeable batteries. According to VISILED, the Halo delivers a higher level of brightness than most fiber-optic headlights, providing surgeons with true color rendition of patient tissue."
http://www.visiled.com/home.html
"The Halo is the first cordless headlight suitable for high-intensity surgical illumination.... The proprietary design consists of two ultra-bright LEDs fitted onto a lightweight headband and powered with rechargeable batteries. According to VISILED, the Halo delivers a higher level of brightness than most fiber-optic headlights, providing surgeons with true color rendition of patient tissue."