WAYNE ESP25 12 Volt Battery Back-Up Sump Pump System with Audible Alarm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Assembled in the US with foreign and domestic parts.</li><li>3300-Gallons per hour at 10-feet of lift</li><li>Corrosion resistant thermoplastic construction</li><li>Alarm sounds to notify you when the backup system is active</li><li>Requires one 40-ampere hour or one 75-ampere hour battery.Battery not included</li><li>2-year limited warranty.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41xFGMT0%2BkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vOq3mZ2yL.jpg" noproxy>