Nielfoi BG-CL3M3-306L01 165 ft Blue and White LED String Lights

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Product guide

Nielfoi BG-CL3M3-306L01 165 ft Blue and White LED String Lights

Nielfoi BG-CL3M3-306L01 string lights pair 500 blue-and-white LEDs with an advertised 165-foot flexible strand for indoor or outdoor decorating. Eight lighting modes, a timer, and memory provide more setup choices, while the plug-in design means placement depends on access to power.

At a glance

Listing specifies 500 LEDs along a 165-foot strand, with blue-and-white light.
Eight modes are listed, including steady on, twinkle or flash, and gradual effects.
Timer operation is described as 6 hours on and 18 hours off. The listing says the last selected mode is remembered.
The product is listed as flexible and suitable for indoor and outdoor decorative use.

Price

$21.99Save 15%

Reference price: ~~$25.99~~

Price checked: Nov 12, 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

Long, flexible strand can cover larger decorations or areas than a short accent string.
Multiple lighting patterns and a timer offer options for holiday displays and recurring evening use.
Plug-in power avoids routine battery replacement.

Cons

Corded operation requires access to an outlet, which can limit placement.
The adapter is specifically noted as not waterproof, despite the string being marketed for outdoor use.

Technical specifications

21 specifications

Identity
Brand	Nielfoi
Model	BG-CL3M3-306L01

Light and use
LED count	500
Listed length	165 feet
Color	Blue and White
Light source	LED
Indoor/outdoor use	Indoor, Outdoor
Lighting features	8 Lighting Modes; Timer Function; Memory Function; Outdoor Waterproof; Energy Efficient
Themes	Christmas, Halloween
Occasions	Christmas, Congratulations, Engagement, Halloween, Holidays, Wedding

Power and controls
Power configuration	Corded Electric
Voltage	30 volts
Wattage	6 watts
Control method	Push Button

Dimensions and installation
Form factor	Linear, Flexible

Materials and protection
Materials	Copper, Plastic
Water resistance listed	Waterproof
Ingress protection rating	IP44

Other details
Style	Modern
Season	All Seasons
Warranty description	6 months.

What to know before buying

Listing details to confirm

The listing describes the timer as cycling 6 hours on and 18 hours off, while another description says the lights turn on at night and off by day. Confirm the actual timer behavior and keep the non-waterproof adapter protected from moisture. The advertised IP44 rating and broad waterproof wording should not be taken to mean every component can be exposed to water.

What’s in the box

Included

1 string light set
1 UL Certified Adapter
User manual

Who is it for?

A good fit for

People decorating long indoor or outdoor runs with blue-and-white light.
Buyers who want selectable lighting effects and a timed operating schedule.
Holiday, party, patio, garden, or bedroom decorative displays near a suitable power source.

Less suited to

People who need battery-powered lights or placement far from an outlet.
Installations where the adapter would be exposed to rain or other moisture.
Buyers who require a particular blue-to-white color balance, given mixed customer comments about how the colors appear.

Nielfoi BG-CL3M3-306L01 165 ft Blue and White LED String Lights · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 726 ratings

5 stars81%81%
4 stars7%7%
3 stars4%4%
2 stars3%3%
1 star5%5%

Customer feedback highlights the appearance and describes the lights as better than store-bought alternatives, but opinions are mixed on color, reliability, and value. Some customers like the blue while others say the white appears more purple, and reports also differ on whether the lights work reliably. For a 500-LED decorative strand, color appearance and dependable operation matter to the intended display. The positive overall rating is encouraging, but it does not settle those individual concerns.

Positive themes

Customers praise the appearance and some consider the lights better than store-bought alternatives.

Mixed feedback

Color impressions vary, including reports that the white lights look more purple.
Customers report mixed reliability, including some reports of bulbs not working.
Value opinions differ, with some satisfied and others considering the cost unjustified.

Frequently asked questions

How long is the strand, and how many LEDs does it have?

The listing states a length of 165 feet and 500 LEDs.

Can these lights be used outdoors?

They are listed for indoor and outdoor use, with an IP44 rating. The adapter is not waterproof, so it needs protection from moisture.

What does the timer do?

The feature details specify a 6-hours-on, 18-hours-off cycle. Another description says the lights turn on at night and off by day, so confirm the timer behavior if that distinction matters.

What is included?

The listed contents are one string light set, one UL Certified Adapter, and one user manual.