Titan Controls 702610 Atlas 4 2-Room Carbon Dioxide Gas Monitor and Controller<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Controls and monitors CO2</li><li>Two (2) remote room sensors with 25 foot cables included</li><li>24 hour data logging feature built-in</li><li>ETL listed product to UL standard 917</li><li>3 year warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Gro3rYZiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51CpaY97h%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41yG3mBDzZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516Pnfrv7iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Zofi1o-yL.jpg" noproxy>