Pre-lit Christmas trees with built-in lights
A pre-lit Christmas tree comes with LED string lights already fitted and evenly spaced through the branches, so there is no untangling or wiring — you assemble the tree, plug it in and decorate. As a rule of thumb, allow about 100 lights per 30 cm (1 ft) of height for a full look, and choose warm white for a classic glow or cool white for a crisp, modern one.
Pre-lit trees solve the most tedious part of Christmas: stringing the lights. The lights are wired into the branches at the factory, balanced from top to bottom, so the tree looks evenly lit and goes up in minutes.
Why choose a pre-lit tree?
- Ready in minutes: no untangling, no gaps, no lights slipping to the back.
- Even coverage: the lights are spaced by design, including deep inside the tree.
- Tidier look: wiring is hidden along the branches rather than draped over them.
- Energy-efficient LEDs: cool to the touch and very low running cost.
How many lights do you need?
For a full, even glow, plan for roughly 100 LEDs per 30 cm (1 ft) of tree height — more if you like a dense, sparkling look. Pre-lit trees already meet or exceed this, but it helps to know the numbers when comparing models.
| Tree height | Lights (guide) |
|---|---|
| 1.2 m (4 ft) | around 400+ |
| 1.8 m (6 ft) | around 600+ |
| 2.1 m (7 ft) | around 700+ |
| 2.4 m (8 ft) | around 800+ |
Warm white, cool white or multicolour?
- Warm white — a soft, golden, traditional glow; the most popular choice.
- Cool white — a crisp, bright, modern look that suits white and silver themes.
- Multicolour — playful and family-friendly; many trees offer colour-changing modes too.
Mains or battery — and what if a bulb fails?
Most pre-lit trees run from the mains; smaller and tabletop trees may be battery-powered for flexible placement. Modern LED sets are wired so that if one bulb fails the rest of the string stays lit, and spare bulbs and fuses are usually supplied.
Choosing the right height
Leave 15–30 cm of clearance for the topper. A 2.5 m room suits a 1.8–2.1 m tree.
Care & storage
Because the lights stay on the tree, store a pre-lit tree gently in its box or a padded bag to protect the wiring, and avoid crushing the branches. Shape (“fluff”) the branches each year so the light spreads evenly.
Frequently asked questions
How many lights do I need for a 6ft Christmas tree?
What is a pre-lit Christmas tree?
Is warm white or cool white better for a Christmas tree?
Do the lights stay on if one bulb breaks?
Are pre-lit LED trees expensive to run?
Related categories
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Open this category in your local Tree Empire store — your language, prices and delivery.