Feature: 1. Suitable for Hatching: This egg candler is suitable for family hatching, but also suitable for children and students to learn the process of experimental hatching. 2. Excellent Grade Material: Made of excellent grade ABS material, insulation, stable and durable. Long service life, you can rest assured to use. 3. Clear Detection: LED lamp holder, high power, strong light source, can clearly detect the hatching of eggs. So that you have a better understanding of the incubation process. 4. There are Two Power Supply Methods: One is to plug in instead of charging, and the other is to use 3 AA batteries. Select the power supply mode as required. 5. Safe and Durable: With easy to open and close buttons, convenient for your daily use, simple and easy to operate, is an ideal incubator accessory. Specification: Item Type: Egg Candler Weight: 169g/6oz Size: 36 x 160mm/1.4 x 6.3in Product Material: ABS Battery: 3 x AA (shipped without battery). Package List: 1 x Egg Candler1 x Battery Case (battery not included)1 x USB Power Cable2 x Egg Holder