Thank you for viewing. This is a 40W heat lamp for small animals and reptiles. This listing is for the replacement bulb only; the lamp fixture is not included. ✳︎ Type: Heat lamp ✳︎ Wattage: 40W ✳︎ Application: Heating for small animals, birds, and reptiles ✳︎ How to use: Use with a dedicated socket ✳︎ Notes: Cannot be used alone Since I am unable to test whether the bulb is actually functional, please purchase only if you understand this.