The OvaView candling lamp from Brinsea is a very effective low cost all purpose candling lamp ideal for identifying infertile eggs. The OvaView is battery powered for convenience and uses high output, high efficiency LED illumination - so no bulbs to replace or concerns about overheating the eggs during inspection. The OvaView is designed to either be hand-held or can be left on a work surface during use. It is supplied with a flexible black ring to seal against the egg shell. The candling lamp comes with a set of 4 AA batteries but can be used with rechargeable AA.