Ollny NYA0400B Christmas Fairy Lights, 40 m, 400 LEDs

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Product guide

Ollny NYA0400B Christmas Fairy Lights, 40 m, 400 LEDs

Ollny NYA0400B Christmas fairy lights are a mains-powered, warm-white string with 400 LEDs, eight lighting modes and four brightness settings. The listing describes indoor and outdoor use, with a timer and remote control for seasonal and decorative displays.

At a glance

Eight lighting modes and four selectable brightness levels, operated by remote or a button on the plug.
Timer settings are listed as 4, 6 or 8 hours, with a memory function that saves the last mode.
Clear wire and a stated 3 m power cable offer flexibility for trees, windows and garden displays.
IP44 is specified in the listing for this indoor/outdoor light string.

Price

£20.69Save 23%

Reference price: ~~£26.99~~

Price checked: 12 Nov 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Command Decorating Clips, 60 Mini Hooks, 68 Adhesive Strips, Transparent | Value Pack, Clips for Hanging Christmas Decorations, Fairy Lights, Indoor String Lights, Wreaths & Seasonal Décor,Damage Free

£11.50

Command Decorating Clips, 40 Mini Hooks and 48 Small Strips, Transparent | Value Pack, Adhesive Clips for Hanging Fairy Lights, String Lights, Small Decorations, Cables and Cords, Damage-Free

£5.70

Pros and cons

Pros

A 400-LED string and claimed 40 m length suit larger trees or longer decorative runs.
Timer, memory, remote control and brightness adjustment provide more control than a basic fixed-mode string.
Mains power avoids replacing batteries during use.

Cons

Mains power requires access to a suitable socket and limits placement compared with battery-operated lights.

Technical specifications

18 specifications

Identity and lighting
Brand	Ollny
Model	NYA0400B
Light source	LED
Light colour	Warm White
Number of lights	400
Listed length	43 Metres
Colour temperature	5000 Kelvin

Controls and power
Wireless connection listed	Bluetooth
Control method listed	Remote
Power configuration	Corded Electric
Voltage	31 Volts
Wattage	6 watts

Dimensions and installation
Weight	0.6 Kilograms
Indoor/outdoor use	Indoor, Outdoor
Layout	Linear

Materials and protection
Water resistance listed	Waterproof
Material	Plastic
Ingress protection rating	IP44

What to know before buying

Listing details to confirm

Listing details are inconsistent: the title and feature text state 40 m, while the item-length field says 43 Metres. Colour is described as Warm White but the listed colour temperature is 5000 Kelvin. Bluetooth is listed as the wireless connection despite the remote-control description, and the listing also identifies button control. Confirm these details if they affect your choice. Outdoor suitability is claimed with IP44. Follow the product instructions for placement and exposure.

What’s in the box

Included

Remote controller
UK plug

Who is it for?

A good fit for

People decorating a Christmas tree, windows, stairs or garden with a long mains-powered light string.
Buyers who want to adjust brightness and select lighting effects or a timer.
Indoor or outdoor decorative displays where a plug is available.

Less suited to

Anyone needing battery-powered or socket-free lights.
Buyers who require a confirmed exact string length or colour temperature before ordering.

Ollny NYA0400B Christmas Fairy Lights, 40 m, 400 LEDs · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 288 ratings

5 stars72%72%
4 stars12%12%
3 stars6%6%
2 stars2%2%
1 star8%8%

Customer feedback highlights perceived quality, appearance and value, while reports about reliability and remote operation are mixed, including both satisfactory use and lights or remotes that stopped working. The adjustable modes and remote may suit buyers who want flexible displays, but feedback suggests these controls and continued operation are not uniformly dependable. Aggregate ratings are mostly five-star, alongside a smaller spread of lower ratings, and do not establish why customers rated the lights as they did.

Positive themes

Customers describe the lights as good quality and attractive, and some consider them good value.

Mixed feedback

Feedback on reliability is mixed, with some customers reporting that the lights stopped working.
Remote-control experiences vary. Some appreciate it, while others report it does not function properly.

Frequently asked questions

How long is the light string?

The listing is inconsistent. Its title and feature text state 40 m, while the item-length field says 43 Metres. Confirm the selected listing's length if it is critical.

Can these lights be used outdoors?

Indoor and outdoor use is claimed, and the listing gives an IP44 rating. Use them according to the supplied instructions and intended exposure.

What controls and timer settings are listed?

The listing describes a remote and a button on the plug, eight lighting modes, four brightness levels, and timer settings of 4, 6 or 8 hours. It also claims a memory function.

What colour are the lights?

They are described as Warm White, but the listing also states 5000 Kelvin. Those details do not clearly align, so check the listing if colour temperature matters to you.