Chihiros Magnetitic stirrer is ideal for mixing fertilizers while dosing plants. **Containers are not included** Can be purchased here containers  Specifications : Number of stirrers heads    4 Dimensions                         21.6*12.3*5.9cm Operating Temperature       5~45°C Relative Voltage             15-85%RH Supply Voltage              100-240V 50/60Hz Operating Voltage           DC12V What is inside Magnetic stirrers*1 Power addpter*1