Automatic Water Buoy Water radar Kurnia Buana is a supplier company that sells building materials, one of which is water buoys Automatic Shintung Water Buoy (ORIGINAL) (ORIGINAL) Be careful of imitations !! We sell goods of the highest quality The above price is the unit price Receive orders in large quantities Please chat in advance to ask about the availability of goods ST-70 Radar Automatic Water Buoy AB / Water Level Control Switch For Toren / Tendon / Water Reservoir, etc. Although generally used only in 1 function, but the truth is this Water Buoy has 2 functions in operation to control the water pump on and off automatically based on water level. A. On when drained out and off when fully charged. B. On when fully charged and off when drained. So it can be used as needed, for conditions A or B. Can be used for : A. Keep the water in the toren not overflowing when the pump fills water to the toren and automatically fills water to the toren when the water in the toren starts to run out. B. Shut off the pump when the water in the reservoir (the source of water the pump sucks) has run out and start the pump automatically when the water in the reservoir is full again. The distance of the two buoys is adjusted as needed (distance of the buoy up and down) to set the desired water level. Automatic detection of pumps on and off based on a benchmark is more or less when the water is at the line level in the middle of the float up or down.