Features: 1LOW NOISE: Equipped with a high performance motor the machine works with almost no noise. You can use it in any space because of its small size. 2EASY TO USE: Place the coffee beans in a coarse sieve with the bottom net collecting the bran. After the coffee beans have cooled gently wipe them with a cleaning cloth. 3STAINLESS STEEL: Stainless steel material for a long time to use better filter impurities easy to carry clean not easy to rust durable an investment that will last you for years. 45MM HOLE: Hole diameter 5mm the appropriate size can be suitable for most coffee roasting cooling has a compact design that makes it easy to store and use. 5POWERFUL COOLING: Cool 1.1 pounds of coffee beans in 2 minutes prevents over roasting and completely maintains the full aroma of roasted coffee. Specification: Item Type: Coffee Bean CoolerMaterial: Stainless steelFrequency: 50/60HzPower: 17WScreen diameter: Approx. 21cm / 8.27inHole diameter: Approx. 5mm / 0.2inWeight: 1315g / 46.4oz Package List: 1 xCoffeeBeanCooler1 x Sieve Mesh