NETTA Battery Operated 200 LED 20M Christmas Tree Fairy Lights with Timer (Warm White) – 8 Modes
Product description
Quick overview
These NETTA battery operated Christmas tree fairy lights are built for one job: making a warm white glow happen with minimal fuss. You get 200 LEDs across a lit length of 20M, plus a battery pack with a timer and a button to switch between eight lighting modes.
On paper, this is the sort of set people choose when they want festive atmosphere for indoor displays, outdoor gatherings, or events where you don’t want to run mains power everywhere. The warm white tone also keeps things looking more “cosy” than icy.
What to know before you buy
A key part of the appeal is that it’s powered by 3 x AA batteries and the battery pack is described as waterproof, with a low-voltage setup. That combination is what lets you use the lights indoors and outdoors without worrying as much about where the nearest plug is.
You also don’t just get on/off control. There’s a timer feature that you activate by holding the power button for 3 seconds (the control turns green). After that, the lights stay on for 8 hours and switch off for 16 hours automatically. Turn the timer off by holding the power button for 3 seconds again until it shows white.
One thing to keep in mind: AA batteries aren’t infinite, so if you plan to run bright effects for long stretches every evening, you may find yourself replacing batteries sooner rather than later.
The essentials (modes, spacing and placement)
This set includes 8 different lighting modes with memory, which is handy if you usually change it depending on the occasion. The modes listed are:
- Combination
- Steady On
- Slow Fade
- In Waves
- Slow Glow
- Chasing/Flash
- Sequential
- Twinkle/Flash
Bulbs are spaced 10cm apart, which helps create a fuller festive look rather than a string that can feel sparse—especially if you’re outlining a tree or draping across a display.
For installation, the cable length is stated as 50cm. That’s enough to position the battery pack conveniently, but if you’re planning a far-away placement, you’ll want to think about where the pack can realistically sit.
Example use: wrap the 20M string around the branches of a small outdoor tree or frame a garden display for an evening event. Start with “Steady On” for arrival guests, then switch to “Twinkle/Flash” when the lights go up—so the ambience changes without needing extra equipment.
Where it shines (and where it may feel limited)
What stands out here is the mix of features you’d normally expect to pay more for separately: multiple modes, a timer that responds to your routine, and a warm white effect over 200 LEDs.
It’s a good match if you:
- Want a simple battery solution for indoor decorating or outdoor displays
- Like the idea of automated switching (8 hours on / 16 hours off) so you don’t have to remember every night
- Enjoy changing mood with effects like waves, sequential or chasing/flash
It might not be the best match if you need something for heavy, long-duration everyday use. Battery operated lighting is convenient, but it can end up feeling more “event or seasonal” than “set-and-forget all winter”.
Practical tips for getting the most from it
Place the waterproof, low-voltage battery pack where it won’t get splashed directly and where you can still access the button easily. If you’re using the timer, activate it once you’re ready for the evening—then you can rely on the 8-hour on cycle.
If you’re setting up for an outdoor gathering, consider testing the mode you want before guests arrive. Some effects (like chasing/flash and twinkle/flash) look great, but they also change the overall vibe quickly—so it’s worth picking the one that fits the moment.
When people compare options, the main decision usually comes down to power source and control. Mains-powered strings can suit “always on” setups, while battery operated sets like this fit best when cable routing is annoying or outdoor access is limited.
Should you buy it?
This NETTA 200 LED 20M warm white set is worth considering if you want festive tree fairy lights with eight built-in modes and a timer, without needing a nearby plug. The warm white colour and 10cm spacing suggest a more complete glow than very sparsely packed strings, and the waterproof battery pack makes outdoor use feel more straightforward.
It’s not for you if you expect the battery system to be effortless for constant overnight use for weeks on end, or if you need a long lead for the battery pack to sit far from the display. In those cases, you may find you’re constantly managing placement and power.
Mini FAQ
How do you set the timer?
Hold the power button for 3 seconds until it turns green. The lights then run for 8 hours and turn off for 16 hours automatically.
Can you switch the lights to different effects?
Yes. There are 8 lighting modes, controlled by a button on the battery pack. The set also has memory, so it can keep your last selection.
Is it suitable for outdoor use?
The lights are described as safe for indoor and outdoor use, with a waterproof, low-voltage battery pack.
What’s the spacing between bulbs?
The bulbs are spaced 10cm apart.
What powers the lights?
They run on 3 x AA batteries.