The product can drop temperature 1012 degrees in 80 minutes, the cooling effect is obvious.Can be applied to fish tank cooling, computer water cooling, multifunction and useful.Suitable for circulating water cooling, cooling equipment, etc., practical and convenient.The DIY kit thermoelectric peltier refrigeration system cools quickly and has outstanding effects.Semiconductor refrigeration come with easy installation, simple operation and strong practicability.Material:aluminumcolour:blackPackage Contents:1 x Fridge Cooling SystemOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.