1. 6 plants can be grow at a time by hydroponics. Full spectrum 15-watt LED lighting system. 2. Touch control panel to adjust growing mode which has 3 modes: Normal, Enjoy,Grow. 3. Water pump to fresh water every 30 minutes.Fully adjustable lamp arm has a 40cm tall growing space. 4. With a visual window and convenient to know how much water in the water tank.