Level Sense Sentry: Can connect to an unlimited amount of sensors into two inputs Which provide Email and/or text Messages. Use any float switch and nearly any 3rd party sensor that gives a contact closure or analog input Cloud enabled water/liquid level sensor. Get alerts when level crosses a set threshold. View status on mobile applications or website. Inputs can be configured in the Applications or Website as Normally open or Normally closed to work with any sensor. This SKU comes with 1 included float switch. Additional float switches can be added. Additional leak sensors can be added as well. The low profile float switch mounting bracket ensures that there will be no additional wires in the sump to inhibit proper pump operation. Level sense has a build in rechargeable battery and integrated battery charger for 4 hours. Never change a battery again. Online access through level-sense website will allow the user to: Input the e-mail addresses and text number for notifications Review the alarm history of up to the last 45 notifications Structure which alarms go to Intensification teletext Notifications No service charges.