Model: XH-M203Working voltage: AC/DC12VOutput capacity: 10AOutput type: relay outputControl type: full automaticInstallation: M3 screw holeApplications: When the water level is higher than the upper line, it 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, etccolour:blueMaterial:Metal +pcSize: 6x3.8cm/2.36x1.50inchPackage Content:5 x Water Level ControllerOnly the above package content, other products are not included.Note: Light reflection 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.