2Pcs AC/DC 12V XH-M203 Water Level Controller Automatic Water Level Controller Water Level Switch Level Controller

Size: 6x3.8cm/2.36x1.50inch Installation: screw hole Applications:When the water level is higher than the upper line it will stop to add water automatically no need for manual management full automatic. Easy installation and simple to operate. Widely used in water conservancy project water tower water bucket water tank water pond etc Colour:blue Material:PC+Metal Package Contents: 2 x Water Level Controller Pump Switch Relay Module Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.