Product Features: Technology Core: Use the most advanced RO membrane made in USA, guarantee drinking water quality; Micro-computer controller: it can control work and stop automatically 24 hours, no need manual operation. Automatic Flushing: the main machine can work 2 hours continuously and flush automatically once, it can extend RO membranes life 20 % . Indicator: it can inspect the working condition of the machine, visual and convenient. Specificataions: Description: Micro Conputer Water Purifier Voltage: 220 V / 50 HZ Working temperature ≤ 5 ℃ -- 　40　℃ Environmental humidity ≤ 90 % Water quality TDS ≤ 1000 mg / L Pressure for water: 0.1-0.4 Mpa Rated Power: 25 W ( 25 ℃ ) Rated output: 15.6 L/h