This high-quality egg tester is made of durable ABS material, renowned for its insulation and stability. It features a high-intensity light source for monitoring egg development. The LED light head provides a powerful illumination, allowing for clear inspection of the egg's hatching status. It's quick, safe, and extremely easy to operate, with durable buttons for easy on and off, ensuring years of use. It's ideal for egg incubation and a valuable tool for children and students learning about the experimental hatching process. This egg-shaped candle holder provides high-intensity LED light, providing ultra-safe illumination for your eggs, protecting them from developmental disturbances and potential damage. Upgraded: It comes with two charging options: direct USB charging or a battery pack that requires 3 AA batteries (not included). This dual power option provides convenient flexibility to meet your needs.Note: 1. Due to variations in monitors and lighting effects, actual colors may vary slightly from the image.2. Due to manual measurement, please allow 1-3 cm deviation.