Can I change the light bulbs on a pre-lit Christmas tree?

This depends on the type of lights used. Some pre-lit trees have replaceable bulbs, but many use LED lights integrated into the tree's wiring, making them non-replaceable. If you need to replace a bulb, check the manufacturer's instructions.

Which species of pre-lit artificial Christmas trees is the most popular?

Many artificial pre-lit Christmas trees mimic the look and feel of real trees, including popular species like <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Fraser-Fir/N-5yc1vZc3ypZ1z1tyq8?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">Fraser Fir</a>, <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Spruce/N-5yc1vZc3ypZ1z1teh3?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">spruce</a>, and <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Pine/N-5yc1vZc3ypZ1z1tehb?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">pine</a>. Less common species include <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/White-Pine/N-5yc1vZc3ypZ1z1tyy3?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">white pine</a>, <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Cedar/N-5yc1vZc3ypZ1z1tei9?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">cedar</a>, and <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Noble-Fir/N-5yc1vZc3ypZ1z1tyqv?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">Noble Fir</a>.

What special features might you find on a pre-lit artificial Christmas tree?

Pre-lit Christmas trees can have many special features, such as a <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Quick-Set/N-5yc1vZc3ypZ1z1begr?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">quick-set design</a> for easy assembly, a <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Timer/N-5yc1vZc3ypZ1z1bfon?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">timer</a> to automatically turn on and off, or even a <a href="https://www.homedepot.com/b/Holiday-Decorations-Christmas-Decorations-Christmas-Trees-Artificial-Christmas-Trees-Pre-Lit-Christmas-Trees/Foot-Pedal-On-Off/N-5yc1vZc3ypZ1z0r9mk?emt=plpfaq_2409_prelitchristmastrees" style="text-decoration: underline;">foot pedal</a> for turning the lights on and off.