The Ova View high intensity Candler is designed to be either hand-held or can be left on a work surface. Battery powered for convenience, it uses high output, high efficiency L.E.D illumination-so no bulbs to replace and no concerns about overheating the eggs during inspection. . This model has a higher intensity bulb for darker and mottled eggs such as welsummer, quail or pheasant. It has a higher light output from a higher light spec LED. It is supplied with both the normal flexible black ring, plus a small ring for small eggs. The larger power drain means that rechargeable batteries are needed.