Our egg candler tester is ideal for lighting chicken, duck, or goose eggs at each incubation stage. It helps you monitor the development of fertilized eggs and determine if they are still growing. The candler is made of high-quality materials and uses 3 AAA batteries (not included), featuring a high-grade LED light source. It is easy to operate with a simple press of the button located at the bottom of the device. This practical egg candler tester is a valuable tool for egg monitoring. Features: The shell of the egg lamp is made of high-quality aluminum alloy, ensuring durability and long-term use. It uses a high-grade LED light source that emits cool light, making it easy for you to observe the growth of fertilized eggs. You can check your eggs once or twice a week to ensure they are developing properly. Operation is simple—just press the button at the bottom of the candler. A plastic cover is included for convenient egg placement. The egg candler is powered by 3 AAA batteries (not included), offering energy efficiency and convenience. Users can easily replace the batteries. It is suitable for lighting chicken, duck, or goose eggs during all incubation stages. Four color options are available, allowing you to choose your preferred style. Specifications: Condition: 100% New Material: Aluminum Alloy + Plastic Color: Red, Blue, Black, Silver (Optional) Light Source: LED Power Source: 3 AAA batteries (Not included) Light Color: Cool White (6000K~6500K) LED Light Size (Dia x H): Approx. 2.3 x 8.3 cm / 0.9 x 3.3 inches Total Length (With Cover): Approx. 11.6 cm / 4.6 inches Weight: Approx. 32g Package Included: 1 x Egg Candler Tester (Batteries not included) 1 x Light Cover