Egg Candler High intensity Incubator Candling Lamp for Light&Dark Hatching Eggs 100% Brand new and high quality Product size: Length 11.5cm, diameter 2.4cm Fabric: Plastic Use 3 AAA batteries (7) (without battery shipments) Suitable range: hatching chickens, ducks, geese and other poultry and quail, parrots, pigeons and other birds.