Basement Watchdog BWC1 Basement Watchdog Dual Float Sump Pump Switch with Controller<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Large float detects 1/4 in. water level rises， making automatic pump activation easy</li><li>Second float activates your sump pump if the first float does not， helping your sump drain effectively</li><li>Protective float cage helps keep debris and wiring from interfering with float movement; vented， curved bottom reduces debris build-up under the float</li><li>Allows your sump to run for an additional 10 seconds to drain excess water for simple water level maintenance</li><li>Includes controller and hose clamp that lets you easily install the floats at any level</li></ul></div><img src="http://ecx.images-amazon.com/images/I/3169Kw2EwKL.jpg" noproxy>