Built to the high levels of quality Titan Controls� is known for, the Spartan Series� CO2 Controller/Monitor allows you to supercharge your garden at an affordable price. Capable of controlling both a CO2 regulator or a CO2 generator, this controller gives you precise control over the ppm levels in your garden. Using a Dual Beam NDIR (Non-Dispersive Infrared) sensor, you can monitor your CO2 levels up to 3000 ppm. The unit will also monitor your temperature as well. A built-in photocell ensures that CO2 is only dispersed during the daylight time. The plastic housing resists dust and moisture. 15 Amps Maximum/120 V/60 Hz.