Zoo Med ReptiCare Ceramic Infrared Heat Emitter 100 watt， for 30-40 gallon terrarium use</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>This Zoo Med ReptiCare Ceramic Infrared Heat Emitter 100 watt， is also helpful if you need to maintain a minimum temperature level; controlled by one of our Digital Program Timers; 7-day， dual-outlet.</li><li>We recommend a ceramic heat emitter for maintaining a minimum night time temperature， NOT the use of some colored heat bulb. Check the actual temperatures with our Digital IR Surface Thermometers.</li><li>Although manufacturers of colored heat bulbs claim that the reptiles cannot see the color， we believe that they sense that it is not dark and don’t sleep as well.</li><li>Zoo Med ReptiCare Ceramic Infrared Heat Emitters last up to 5 years. Zoo Med ReptiCare Ceramic Infrared Heat Emitters are perfect for high humidity terrariums.</li><li>Temperature outputs can vary depending on the type and brand of habitat， substrate and décor accessories. FOR SAFETY， before introducing your animal into the heated habitat， please allow 3 to 6 hours of initial warm-up time and then check the surface temps; using a thermometer such as our Digital IR Surface Thermometer.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/510%2Bbg3NnjL.jpg' noproxy></br>