I use this unit and its great i get over true 700 meter intercom coms
here is some info (cut and paste bandit)
GENERAL
Talk time: 12 hours
Stand-by time: 10 days
Operating temperature: -10˚C – 55˚C (14°F – 131°F)
Dimensions:
Headset: 84.1 mm x 56.5 mm x 38.6 mm (3.3 in x...
We used this led in the center of the bike best part was its only $25 bucks on amazon prime, did mod on brackets to use existing oem holes
made by CREE which a lot of brand names use in there systems.
http://www.amazon.com/gp/product/B0151966OS?psc=1&redirect=true&ref_=oh_aui_detailpage_o05_s00
Had a friend of mine fit these to my 2015 S10 ES, PIAA LP530 and 7inch light bar all running from single switch.
and they do fill in that odd gap that the OEM headlight makes.