Operation confirmed. The LED light requires a knack; it turned on when the button on the light itself was pressed. No instruction manual was included. You can find information on YouTube, search engines, and Q&A sites, so please check how to set it up before purchasing. 〇Quoted from the seller〇 Voltage: 110V Frequency: 50Hz Power: ≤40W Material: ABS material Body weight: 1.25KG Body size: Approximately 32*20.8*12CM Packing size: Approximately 37*25*17CM Adjustable temperature: 30～40℃ Temperature accuracy: ±0.1℃ Egg turning method: Side-slide automatic rotation Egg turning interval (minutes): The default setting at shipment is that the eggs rotate once every 2 hours, flipping for 10 seconds each time. Capacity: Chicken*12, Duck*9, Goose*4, Pigeon eggs*24, Quail eggs*35 ✄-------------------------------------------------------- 【Silent Specification & Temperature Display】 A noise-reducing fan is built-in, circulating air throughout the box, allowing the eggs to receive heat evenly from 360°, significantly increasing the hatching rate. The optimal hatching temperature for eggs is 20℃～40℃, and the hatching temperature is displayed on the LED display, allowing you to correctly control the hatching temperature. The lid is easy to remove and is also semi-transparent, so you can clearly see the egg hatching process. 【Automatic Egg Turning & Various Hatching】 Adopting side-slide automatic egg turning technology, no artificial operation is required for automation, and the eggs hatch. Various hatching conditions can be set, so you can challenge the incubation of various types of eggs. The number of hatchable eggs varies depending on the size of the eggs. It supports various eggs such as 12 chickens, 9 ducks, 4 geese, 24 pigeon eggs, and 35 quail eggs. 【Automatic Temperature and Humidity Control】 Simply set the temperature in advance to maintain a constant temperature, and an alarm will notify you when the temperature or humidity becomes too high or too low, allowing you to easily manage both temperature and humidity. There is an alarm for low temperature and humidity, so press any button to cancel the alarm. 【Convenient Egg Candling LED Light】 Equipped with an egg candling light, you can easily check the development of all eggs during incubation and observe the hatching process well. Place the egg on the LED light and press the LED switch to observe the egg's growth status.