Automatic environmental growing bean sprouting machine for family

1.You can eat the  environment-friendly bean sprouts cultivatede by yourself
2.It can be used to observe the process of biont for children
3.Don't need to add any fertilizer and other hormones
4.Rotate 360 degrees to sprinkle water
5.The small power pumps,Less electric consumption, noiseless and No vibration
6.supply water and oxygen at the same time,you can eat after 2~4 days
7. electricity utilization use less than 0.5 degree every time
8.cultivation four bean sprouts at the same time