The Zoo Med Ceramic Heat Emitter is now available in NANO size! Ceramic heaters are the ideal 24-hour heat source for all reptiles. These porcelain heating devices screw into a standard socket, delivering intense energy "penetrating into the muscles" with infrared heat. It doesn't emit light and offers long-lasting use. Ideal for small geckos, reptiles, and amphibians. It is suitable for use with the Zoo Med Nano Dome Lamp or the Combo Lamp. Available in 25 watts and 40 watts.