Feature: 1. Practical Design: Egg candling light provides a strong light source to accurately view the detailed veins and movements inside the eggs. Allows you to witness the fascinating world of embryo growth. 2. Easy to Use: Egg candler tester is user friendly, suitable for students, home hatchers, and even beginners. Easy to operate for everyone. 3. Soft Rubber: Egg tester light comes with soft rubber ends, easily adapting to a variety of egg sizes for flexible application to meet different needs. 4. Versatile and Secure Fixation: Whether you are monitoring quail, duck or other eggs, this egg candler light provides a gentle yet firm grip ensures a tight fit to prevent egg cracking. 5. Ideal Educational Tool: The LED egg candler tester is perfect for school classrooms to enjoy the educational fun. Kids can easily experience the hatching process in a fun way. Specification: Item Type: LED Egg Candling Light Material: Plastic, Rubber Voltage: AC100-240V Size: Approx. 15 x 2.5cm / 5.91 x 0.98in. Package List: 1 x Egg Candling Light 1 x Adapter 2 x Accessories