This is a LED light egg tester, made of high-quality plastic material, insulated, stable and durable. Suitable for incubating eggs, helping you observe whether your eggs are fertilized and whether the embryos can develop and hatch. The light candle tester is not people who to hatch eggs, it is also and students learning about the hatching process. Great for school funny lessons or school labs. Plug Type :EU Plug,it applies to Indonesia, , , , and so on. : AC100-240V Colour:black Material:plastic Package Contents: 1 x Egg Candler set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.