TM&W- Temperature and humidity automatic functions (35-40 Degrees Celsius) Temperature and humidity advanced manual control (temperature range 0~99 degrees Celsius) Automatic egg turning motor Quality PP material with a solid moulded construction Anti-jamming function and higher stability Clear cover for egg visibility; allows easy observation Automatic cooling and ventilating system Voltage: 220+12V Frequency: 50-60Hz Drawer Type Design Eggs Tray It is convenient to Candle the eggs , spray Water, No need to open the top cover. Forbidden the temperature and humidity variation. More usefully to Incubation Functional Eggs Tray Chicken, Duck, Goose Hidden Fan Circulation There are three side has the hidden fan circulation. The air go through the heater wire become warm fan, then it go through the fan circulation all the machine. Suit for Incubation Dual Power Desigh , Number 1 connect the 220V power . Number 2 connect the 12V power The machine included the Egg Candle on the controller Backside included the Add Water Holes One Layer -Three Layer has two Temperature fan Four Layer – Seven Layer has four Temperature fan Capacity:- Chicken eggs:192, Goose eggs :96, Duck eggs: 144, Pigeon eggs: 264, Quail eggs:456 best plastic used for this products