Exo Terra Glow Light Exo Terra Glow Light – Gives you the versatility of placing heat and/or light sources on your terrarium where needed. Sturdily constructed, with a metal reflector, heat resistant ceramic socket, and also a spring-loaded swivel clamp. You can also easily turn it off and on by the switch, mounted on the extra long power cord. The inside of the reflector is coated with a highly reflective luminous coating. It continues to glow long after the lamp is turned off. This allows diurnal reptiles and amphibians to retreat in their night burrow or hiding without stress. A moon-like glow enables nocturnal reptiles and amphibians to also see properly without disturbing their night cycle. Day and night fixture in one Provides long-lasting luminous, reflective glow Heat resistant porcelain socket Ideal for use with compact fluorescent and also incandescent bulbs Prevents stress Ideal for nocturnal viewing It is also ideal to monitor your animals during night time, without switching on the lights. This can cause stress and disorientation. This multi-purpose fixture fits a variety of screw-based bulbs. These include Sun Glo, Sun Glo Tight Beam, Sun Glo Neodymium, Sun Glo Halogen, Repti Glo Compact 2.0, 5.0 & 10.0, Heat Glo, Solar Glo 125W, etc. The coating reflects the otherwise wasted light rays and also stores the light energy during daytime and slowly releases it at night. This also makes this fixture more energy efficient then conventional fixtures. Also no need to add an additional night bulb, unless used as a heating source.