The apparatus is automatically controlled,without supervision. Nice appearance Technical data:1. Model: GZ-5L/H,GZ-10L/H,GZ-20L/Z 2. Output: 5L/h, 10L/h, 20L/h3. Power consumption: AC220V/4.5kW, AC380V/7.5kW, AC380V/13.5kWPacking:Weight: 11kg, 16kg, 25kg Vertical or Wall mounted Electrical Distiller