Features 1、The output type is relay output. When the water level is higher than on-line, it will automatically stop adding water without manual management. 2、Fully automatic control, simple operation, simple installation, long service life. 3、Low power consumption, large switching capacity, strong anti-interference ability, can be used for a long time. 4、With stable function and excellent quality, it is widely used in water conservancy projects, water towers, buckets, water tanks, etc. 5、This product can be used for automatic drainage of water tank, pool, garage, basement and other rainwater flooding places. Specification Condition: 100% Brand New Item Type: Water Level Controller Material: Plastic Model: XH-M203 Output Capacity: 10A Output Type: Relay Output Control Type: Full Automatic Installation: M3 Screw Hole Size: Approx. 60x40x18mm / 2.4x1.6x0.7in Package List 1 x Water Level Controller