YHBJKCZ HS-666L 66-ft Cool White Icicle String Lights

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Product guide

YHBJKCZ HS-666L 66-ft Cool White Icicle String Lights

Cool White: YHBJKCZ HS-666L icicle string lights are listed with a 66-foot length, 670 LEDs, and 148 drops. Their corded design, selectable lighting modes, dimming, and timer suit indoor or outdoor holiday displays, though customer feedback raises practical concerns about wiring and durability.

At a glance

The listing describes 670 LEDs arranged as 148 hanging drops across a 66-foot string.
Twelve lighting modes, adjustable brightness, and a 6-hour-on/18-hour-off timer are claimed.
The manufacturer lists indoor and outdoor use and a waterproof design.

Price

$23.99Save 20%

Reference price: ~~$29.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The stated length and drop layout are suited to lining eaves or roof edges without using a standard straight string-light arrangement.
Selectable modes, dimming, and a timer provide options for adjusting the display and its schedule.

Technical specifications

12 specifications

Identity
Brand	YHBJKCZ
Model	HS-666L

Lighting
Light source	LED
Light color	Cool White
Number of light sources	670
Form factor	String Lights
Listed length	66 feet

Power and controls
Power configuration	Corded Electric
Control method listed	Touch

Use and protection
Indoor/outdoor use	Indoor, Outdoor
Water resistance listed	Waterproof
Material	Plastic

What to know before buying

The listing claims waterproof outdoor use but does not provide a specific protection rating. Customer feedback is mixed on color, reliability, and durability, and also reports wiring or connectivity issues. Consider these concerns when planning a hard-to-reach installation.

What’s in the box

Included

Christmas light
Power plug
User manual

Who is it for?

A good fit for

Shoppers wanting cool-white icicle-style lights for rooflines, eaves, or indoor holiday displays.
Buyers who want a corded set with multiple modes, dimming, and a timer.

Less suited to

Those who need evidence of a specific outdoor protection rating or assurance of long-term reliability.
Buyers seeking a warm-white color, since this set is listed as cool white.

YHBJKCZ HS-666L 66-ft Cool White Icicle String Lights · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 363 ratings

5 stars75%75%
4 stars11%11%
3 stars7%7%
2 stars2%2%
1 star5%5%

Customer feedback describes the lights as attractive and bright, with positive comments about length and quality. Opinions are mixed on the cool-white color, reliability, and durability, and the feedback also reports wiring or connectivity problems. These concerns matter for roofline installations that may be difficult to reach. The listing's mode, timer, and length claims describe features, not proof that every set will perform reliably.

Positive themes

Customers report attractive twinkling, brightness, good quality, and useful length.

Negative themes

Feedback reports wiring or connectivity problems and some lights stopping or not lasting.

Mixed feedback

Some customers like the color, while others find it unnatural. Reports on reliability and durability are also mixed.

Frequently asked questions

How long is the YHBJKCZ HS-666L light string?

The listing gives a length of 66 feet and describes 148 drops.

What lighting controls are listed?

The listing specifies touch control and claims 12 lighting modes, adjustable brightness, memory, and a timer. The timer is described as 6 hours on and 18 hours off.

Can these lights be used outdoors?

The listing says indoor and outdoor use and describes the lights as waterproof, but it does not state a specific protection rating.