Specification: Power: 2100W Ambient Temperature: 5℃~40℃ Thermal Conversion Efficieney: About 98.5% Temperature Range: 4 Stage Temperature Control Water Volume Selection: 150/180ml +Manual DIY Custom Water Volume Product Size: 55*100*185mm Voltage: 110-220V~50-60Hz Package Included: 1 x Water Dispenser 1 x User Manual