I found this on ebay

[kezabel]

http://cgi.ebay.com.au/Egg-Incubato...wItemQQptZAU_Pet_Supplies?hash=item1c0fa87dd5

 

[greenfamilyfarms]

These work really well when you want to candle eggs under a broody, but don't have an electrical source nearby.

 

[bigdawg]

small mag light from walmart works for me

 

[Red&Yellow]

To me that lighton eBay looks uncommonly like a laser pointer....but I dunno