Yolsunes HCP154-420 12.5 m 420-LED Icicle Lights

Yolsunes HCP154-420 icicle lights are a 12.5 m indoor/outdoor string with 420 LEDs, app and remote control, and warm and cool white settings. Their corded power and separate 5 m lead cable claim suit locations where a mains socket is reachable, while the app’s added modes and custom settings may appeal to buyers who want more than fixed white lighting.

At a glance

The listing describes 420 LEDs across 84 drops, with a repeating 3/7/4/6 pattern and 15 cm spacing.
Warm white and cool white can be combined, with separate brightness adjustment described in the app.
The listing claims 17 modes and app functions including timers, music synchronisation and group control.
Three timer schedules and a memory function are described. The listing says the lights recall the last mode used.
A 5 m lead cable is claimed in the feature text, in addition to the 12.5 m light string.

Price

£27.99Save 15%

Reference price: ~~£32.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Warm and cool white options with app-based brightness adjustment provide more control over the colour mix than a single-colour string.
App, remote and built-in controller are listed, giving several ways to operate the lights.
The stated 12.5 m light length and 420 LEDs may suit rooflines or windows where denser icicle-style coverage is wanted.

Technical specifications

22 specifications

Identity
Brand	Yolsunes
Model	HCP154-420

Lighting
LED count	420
Light colours	2700K Warm White & 6000K Cool White
Listed colour temperature	2700 Kelvin
White brightness	700 Lumens

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	App, Remote

Power
Power configuration	Corded Electric
Voltage	30 Volts
Wattage	6 watts

Dimensions and installation
Listed length	1250 Centimetres
Form factor	String Lights
Weight listed	0.78 Kilograms

Materials and protection
Water resistance listed	Waterproof
Material listed	Plastic
Ingress protection rating	IP65

Listed features and use
Indoor/outdoor use	Indoor, Outdoor
Special features	App Control, Automatic On-Off, Memory Function, Remote Controlled
Occasions	Christmas, Halloween, Housewarming, Thanksgiving, Wedding
Colour	Transparent
Style	Traditional

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the title and explicit contents list describe a 12.5 m string, while feature text additionally claims a 5 m lead cable, 84 drops, 15 cm spacing and 17 modes. The listed light colours are 2700K and 6000K, but the separate colour-temperature field gives only 2700 Kelvin. Confirm the selected listing’s exact layout, cable length and control functions before buying. The adapter is stated not to be waterproof, so keep the power supply dry.

What’s in the box

Included

Icicle outdoor Christmas lights
Cable ties
Power adapter
Remote

Who is it for?

A good fit for

Buyers decorating a roofline, window or indoor display who want a corded 12.5 m icicle string with two white tones.
People who want app and remote operation, timer schedules or memory settings.

Less suited to

Buyers who need battery-powered lights or a setup without access to a suitable mains socket.
Buyers who need a confirmed cable layout or lead length before purchase, as the listing details differ.

Yolsunes HCP154-420 12.5 m 420-LED Icicle Lights · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 17 ratings

5 stars56%56%
4 stars36%36%
3 stars8%8%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings but no customer-comment summary. The ratings lean positive overall, but they do not identify what buyers liked or disliked, and the small sample does not establish performance. For buyers considering the app controls, colour options or outdoor use, the listing claims remain the only supplied evidence about those features.

Frequently asked questions

How long is the light string?

The title and listed item length give 12.5 m. Feature text also claims an extra 5 m lead cable, so confirm whether that lead is included with the selected listing.

Can the lights be used outdoors?

The listing describes indoor and outdoor use and claims IP65 waterproofing. It also says the power adapter is not waterproof and must be kept dry.

What controls and timer functions are listed?

App and remote control are listed, alongside a built-in controller in the feature text. The listing describes 17 modes and three timer schedules, but its mode details should be confirmed.

Can the lights show both warm and cool white?

The listing claims 2700K warm white and 6000K cool white, with app adjustment of each temperature’s brightness. A separate colour-temperature field lists only 2700 Kelvin.