Features: 1. Made of high-quality aluminum material, rust-resistant and durable. 2. Easy to operate with a compact design and simple on/off button. 3. Rechargeable design eliminates the need for batteries, making it eco-friendly and cost-effective. 4. High-quality candler ideal for monitoring the development of fertilized eggs. 5. Suitable for observing egg incubation, as well as for eonal use in school classrooms or laboratories. Specification: Condition: New Color: Black Material: Plastic + Aluminum case Power plug: US standard power plug adapter Temperature range: -10℃ to 60℃ Plug: US plug, 110-250V Size: 20 x 17.5 x 7.5cm / 7.87 x 6.89 x 2.95 inch (approx.) Line Length: 105cm / 3.4 ft (approx.) Package Included: 1 x Egg Tester Lamp Note: Please allow 1-3cm measurement deviation due to manual measurement. Please note that actual color may vary slightly due to lighting and display settings.