... function.5. Automatic control water-supply system,open type water theif,divide water fluency,automatic clearing,no jam.water cooler :XK-18S Voltage/frequency ... Packing details:Standard export carton & wood tray, safety package Lead time:7 days after the receipt of payment Terms of payment ... per month How does XINGKE evaporative air cooler work? A pump circulates water from the base plate on to a ...