Quick Summary
Ollny Christmas Tree Lights are a warm white USB plug-in fairy light set for decorating a Christmas tree. The set includes 10 strands, each measuring 2.5 metres, with 250 LEDs in total and a ring top for cascading placement.
The lights are intended for indoor and outdoor Christmas decorations and are described as waterproof for outside use. The low-voltage USB connection is listed as 4.5V.
Who It Is Best For
This set suits buyers looking for waterfall-style tree lights for a tree in the stated 1.5m to 2.5m range, or 4ft to 8ft. It is also relevant if you want a USB plug-in option for Christmas displays at home, in an office or at a party.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Ollny. |
| Product type | Christmas tree lights with a ring top and cascading strands. |
| Total LED count | 250 LEDs in total for decorative tree lighting. |
| Strands | 10 strands, each measuring 2.5 metres. |
| LED spacing | 10cm spacing is stated, which helps define the light pattern. |
| Power connection | USB plug in with 4.5V low voltage stated. |
| Use | Indoor and outdoor Christmas decorations. |
| Water protection | IP44 waterproof for outside use. |
| Light colour | Warm white. |
| Tree size guidance | Described for trees up to 1.5m to 2.5m, or 4ft to 8ft. |
Why Buyers Choose It
- 10 cascading strands and a ring top create a waterfall-style tree display.
- 250 LEDs give a dense decorative effect across the stated tree size range.
- USB plug-in power gives flexibility over where the lights are powered from.
- IP44 waterproofing is stated for outdoor Christmas decoration use.
How It Works
- Place the ring-shaped top on the tree.
- Spread the 10 strands around the branches.
- Connect the USB plug to a suitable power source.
- Use the lights as an indoor or outdoor decoration within the stated tree size guidance.
Real World Use
The light set is presented for decorating Christmas trees at home, in an office or at a party. The 2.5 metre strands and ring top are intended to create a cascading look down the tree, while the warm white finish gives a festive appearance.
What To Know Before You Buy
Check the size of your tree before ordering. The stated guidance is for trees around 1.5m to 2.5m, or 4ft to 8ft. If you plan to use the lights outdoors, confirm that the USB power setup and the intended position work for your space.
Pros: The 10-strand design and 250 LEDs provide a clearly defined waterfall-style tree display.
Cons: USB power means you need a suitable external power source for use.
Common Buyer Questions
How many LEDs are included?
There are 250 LEDs in total.
What size tree are they for?
The stated guidance is for trees up to 1.5m to 2.5m, or 4ft to 8ft.
Can they be used outside?
Yes, they are described as suitable for indoor and outdoor Christmas decorations and as IP44 waterproof.
How are they powered?
They use a USB plug with 4.5V low voltage stated.
Final Buying View
If you want warm white, USB plug-in Christmas tree lights with a waterfall look, this Ollny set gives a clear decorative format and a stated tree size guide. Check the tree height and your available USB power source before choosing.





