Gemce BMSL18 Smart C9 RGB Outdoor String Lights, 100 LEDs

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Product guide

Gemce BMSL18 Smart C9 RGB Outdoor String Lights, 100 LEDs

LEDs: Gemce BMSL18 smart C9 string lights offer app and remote controls for multicolor outdoor holiday lighting. The listing advertises programmable effects, dimming, schedules, a timer, and connectable sets, but gives conflicting length information that buyers should resolve before planning a run.

At a glance

App programming is described for color, lighting effects, speed and brightness, with claimed 0%-100% dimming.
The listing describes preset and DIY effects, including flowing, jumping, twinkling and breathing patterns.
App controls are said to provide scheduling, a timer, pause and memory for the last lighting effect.
Male and female plugs are described for connecting multiple sets, with a stated limit of 60 meters.

Price

$44.99Save 21%

Reference price: ~~$56.99~~

Price checked: Nov 14, 2026

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Often bought together

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Pros and cons

Pros

App and remote control offer two listed ways to adjust the lights.
DIY and preset effects plus adjustable brightness allow more control than a fixed-pattern string.
Timer and saved-effect features can reduce the need to reset a preferred setup.

Cons

Operation depends on a corded electrical connection, so placement is constrained by power access.

Technical specifications

14 specifications

Identity
Brand	Gemce
Model	BMSL18

Lighting
Light sources	100
Light source type	LED
Light color	Multicolor
Form factor	String Lights
Color	Black

Connectivity and controls
Control methods listed	App, Remote

Power
Power configuration	Corded Electric

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

Use and installation
Indoor/outdoor use	Outdoor
Connectable length claim	You can connect them up to 60 meters

What to know before buying

Listing details to confirm

The title claims 99FT, while the item details list 66 feet. The title also says 100 LEDs, while a related listing describes a different Gemce product with 150 LEDs. Confirm the selected model's length and LED count before buying. The manufacturer lists waterproofing and IP65, but does not establish conditions for that rating here. The stated 60-meter connection limit is a manufacturer claim.

What’s in the box

Included

Controller
String light

Who is it for?

A good fit for

Holiday decorators who want customizable multicolor patterns and app or remote adjustment.
Buyers setting up a powered outdoor display who can confirm the strand length fits their layout.

Less suited to

Shoppers who need a confirmed long-run length or a battery-powered string.

Gemce BMSL18 Smart C9 RGB Outdoor String Lights, 100 LEDs · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 191 ratings

5 stars67%67%
4 stars15%15%
3 stars7%7%
2 stars4%4%
1 star7%7%

Customer feedback highlights appearance, customizable patterns and perceived value as positives. Experiences are mixed for reliability, color options, lifespan, connectivity and ease of use, including reports of lights stopping after a short time or showing color problems. These concerns matter for seasonal outdoor setups that may be difficult to replace once installed. The listing describes app and remote controls and programmed effects, but those claims do not resolve customers' differing experiences.

Positive themes

Customers reportedly like the appearance and describe the lights as useful for customizing combinations and patterns.
Some customer feedback describes the lights as easy to use and worth the money.

Negative themes

Some customers report that the lights stopped working after a short time, had color problems or did not last long.

Mixed feedback

Customers report mixed experiences with reliability, color options, connectivity and user-friendliness.

Frequently asked questions

How long is this string of lights?

The listing is inconsistent. Its title says 99FT, while the item details say 66 feet. Confirm the length for the selected BMSL18 listing before planning installation.

Can the lights be controlled with a remote?

The listed control methods are app and remote. The feature description also says the app can adjust effects, speed, timing and brightness.

Can multiple sets be connected?

The manufacturer says the sets have male and female plugs and can be connected up to 60 meters. Treat that as a stated limit, not an independently confirmed performance result.