Shed some light on your sidekick with the Zoo Med Nightlight Red Reptile Terrarium Bulb. This night light bulb is made of a true red glass that is not painted or coated. It is designed to provide very little light for observing all types of reptiles， amphibians or birds at night. An economical heat source， this light bulb can provide 24-hour heat for your late-night mate. It’s crafted to be easy to set up and won’t interfere with his normal sleeping schedule.