Icicle lights Outdoor 66ft with 640LED 120 Drops - Cool White

In this review of the Icicle lights Outdoor 66ft string, the bottom line is simple: this set is best for homeowners or decorators who need a long, bright curtain of cool white LEDs that is durable and energy efficient. The 66ft straight run with 120 drops and 640 LEDs produces a consistent, twinkling curtain ideal for eaves, porches or event backdrops, while the UL listing and 29V low voltage give confidence for extended outdoor use. Installation is straightforward and the built-in timer and memory make repeated displays easy to manage.

Key Features

• Long coverage: A 66ft straight lighting length plus 9.84ft of extension cable lets the string reach most outlets and span large rooflines or fences without multiple power points.
• Dense LED array: 640 LEDs arranged across 120 drops deliver bright, uniform cool white illumination suitable for both holiday and year-round decorative use.
• Durable construction: Sealed beads and heavy wiring mean the icicle lights are built to withstand repeated outdoor installation and weather exposure when the plug is protected.
• Energy efficient and safe: The 29V low-voltage design and UL listing reduce power draw and offer a safer option for long runtime compared with higher-voltage strings.
• 8 lighting modes with timer: Built-in modes and a memory function let users cycle through patterns or set a 6-hour on/18-hour off timer for automatic night displays.
• Connectable and waterproof: End-to-end connectors allow up to three strings in series and the strand is waterproof for outdoor use (protect the plug from water).

Who It's For

This icicle string is ideal for homeowners decorating roof eaves, porches, fences, and garden features who want a professional, curtain-style look without high energy bills. It also suits event planners or couples dressing an outdoor wedding arch or a party backdrop where a cool white palette and multiple lighting patterns are desirable.

Less suitable are buyers who need colored lights, battery operation, or extremely short runs; those shoppers should look for single-color mini strings, wireless battery sets, or much shorter curtain lights tailored to compact indoor spaces.

Pros & Cons

Pros

• Bright, consistent cool white glow from 640 LEDs creates an attractive curtain effect.
• UL listed and low-voltage design keeps operating costs and heat low for long displays.
• Durable sealed beads and wiring stand up to repeated outdoor use when installed properly.
• Timer, memory and 8 modes add convenience and flexible styling without extra controllers.

Cons

• Some users report occasional failures in portions of long runs, so quality can vary between units.
• Plug must be protected from direct water exposure despite the waterproof strand.

Specifications

Brand	Nielfoi
Total LED count	640 LEDs
Lighting length	66ft
Drip/drop lengths	1.32ft, 1.65ft, 2.31ft
Extension cable	9.84ft
Operating voltage	29V low voltage
Modes & features	8 modes, timer (6hr on/18hr off), memory

Our Verdict

The Icicle lights Outdoor 66ft string is a solid, value-focused choice for anyone wanting a bright, curtain-style cool white display that is energy efficient and easy to install. With a long run, multiple lighting modes and durable construction, it suits seasonal and event decorating where wired outdoor installation is acceptable; protect the plug and expect generally reliable performance with occasional unit variance.

Frequently Asked Questions

Can multiple strings be connected together?
Yes, the set includes end-to-end connectors and up to three strings can be safely connected in series.

Are these lights safe for outdoor use?
The strand is waterproof for outdoor use and the product is UL listed, but the plug should be kept dry and protected from direct exposure.

Does the timer and memory function work automatically?
Yes, hold the adapter button 3 seconds to enable the 6hr on/18hr off timer; the last selected mode is retained by the memory function.