Urban lighting today is not just about illuminating thoroughfares, but also plays an important role in beautifying public spaces, enhancing security, and creating a visual identity. In this context, the Single-Color Hazelnut-Shaped String Light, as one of the widely used products of Erfan Sanat Isfahan company, has found a special place in lighting projects. This product, with its durable design, very low energy consumption, and wide applicability in various environments, is considered an economical and efficient option for municipalities, organizations, and large-scale projects.
What is a Single-Color Hazelnut-Shaped String Light?
The Single-Color Hazelnut-Shaped String Light is a new generation of lighting equipment, inspired by traditional incandescent string lights but built with advanced LED technology. This product is designed in a linear form, consisting of LED bulbs, each producing a constant and uniform light in a specific color. The color of these string lights can be selected upon ordering and they are usually offered in moonlight white, sunlight white, red, green, and blue.
A durable body made of polycarbonate and ABS, an IP67 waterproof rating, and a simple yet functional design have made this product a popular choice in urban lighting.

Advantages of the Single-Color Hazelnut-Shaped String Light Over Old String Lights
In the past, incandescent string lights were used to decorate thoroughfares and public places, which had problems such as high energy consumption, frequent breakage, safety hazards, and limited variety. With the advent of the Single-Color Hazelnut-Shaped String Light, these limitations were overcome, and a durable, low-consumption, and beautiful product replaced the old string lights.
| Feature | Old String Lights | Single-Color Hazelnut-Shaped String Light |
|---|---|---|
| Light Type | Single-color with high-consumption bulbs | Single-color, constant, and uniform LED |
| Energy Consumption | Very high | Very low (around 1 watt) |
| Environmental Durability | Fragile and broke down quickly | Resistant to impact, rain, and dust (IP67) |
| Installation Safety | Poor | Thick cable and internal wire grip |
| Lifespan | Short | Over 50,000 hours |
| After-Sales Service | Limited or no warranty | 18-month warranty engraved on the bulbs |

Key Features of the Single-Color Hazelnut-Shaped String Light
- Constant and Uniform Light
Each bulb of the Single-Color Hazelnut-Shaped String Light, using 9 SMDs, produces a uniform and stable light that is suitable for creating a simple and orderly effect in urban spaces. - Very Low Energy Consumption
The power consumption of each bulb is only about 1 watt. This feature makes this product a cost-effective option for extensive urban projects. - Durable and Waterproof Body
The combination of polycarbonate and ABS in the body construction has given this string light high resistance to impact and harsh environmental conditions. The IP67 standard also ensures the product’s durability against rain and dust. - Color Variety upon Ordering
Customers can order this string light in moonlight white, sunlight, red, green, or blue colors. This provides high flexibility in the execution of various projects. - Easy and Safe Installation
The use of a standard 3×0.75 cable and the presence of an internal wire grip in each bulb make the installation of this string light fast and secure.

Applications of the Single-Color Hazelnut-Shaped String Light in Urban Lighting
This product, given its simplicity and high durability, can be used in a variety of projects:
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- Permanent decoration of urban thoroughfares: Creating stable and harmonious light in streets and squares.
- Lighting for religious sites: Using appropriate colors such as green for mosques or red for the days of Muharram.
- Decorating bridges and public structures: Resistance to wind and rain makes this product suitable for bridges and tall structures.
- Occasional decoration: Use in national celebrations, religious holidays, or lighting for special occasions.
- Replacement for old high-consumption string lights: Providing beautiful and simple light at a lower cost and with a longer lifespan.
Comparison of Single-Color and Full-Color Hazelnut-Shaped String Lights
The Single-Color Hazelnut-Shaped String Light and the Full-Color Hazelnut-Shaped String Light are both advanced products from Erfan Sanat Isfahan company, but they have different features and applications, and choosing either one can have its own specific advantages depending on the project’s needs.
Single-Color String Light
The Single-Color Hazelnut-Shaped String Light is a simple and economical product that provides uniform and constant light in a specific color. This string light is very suitable for projects that require continuous and stable lighting, such as streets, squares, bridges, and religious sites. Its prominent features include very low energy consumption, easy installation, high durability, and an affordable price. Additionally, the single-color string light is the best option for projects with budget constraints or those requiring basic and traditional lighting.
Full-Color String Light
The Full-Color Hazelnut-Shaped String Light, in contrast, is an advanced and smart product that, with RGB technology, has the capability to display 16 million colors. This string light is suitable for projects with diverse lighting effects, dynamic designs, and special lighting arrangements. The remote control capability via a mobile application, the ability to change colors, and advanced lighting effects make this product ideal for use in celebrations, national events, and creative urban projects.
Key Differences
- Lighting Flexibility: Single-color provides constant light; full-color has the ability to change colors and has various effects.
- Cost and Energy Consumption: Single-color is more economical and consumes less power; full-color, despite its low consumption, has a higher cost due to its advanced capabilities.
- Project Application: Single-color for general and continuous projects; full-color for special, creative, and dynamic projects.
These two products are in fact complementary to each other, and depending on the project’s needs, a combination of them can be used to create comprehensive and attractive lighting. For example, in a city square, single-color string lights can be used for the constant illumination of paths, while full-color string lights can be utilized in decorative sections or for special ceremonies to create a dynamic and attractive effect.

Guaranteed Warranty and Quality
- Erfan Sanat Isfahan company, with over 25 years of experience in manufacturing lighting equipment, offers a genuine 18-month warranty for the Single-Color Hazelnut-Shaped String Light. This warranty is engraved on each bulb and indicates the quality and confidence in the product’s performance.
Maintenance Tips for the Single-Color LED Hazelnut-Shaped String Light
To maintain the quality and extend the lifespan of this product, observing a few points is essential:
- Install the cables and bulbs according to standards and avoid excessive tension.
- Periodically clean the matte white diffusers with a soft cloth.
- Check connections to ensure proper waterproofing.
Why is the Single-Color LED Hazelnut-Shaped String Light a Smart Choice?
This product is considered an ideal option for urban lighting due to its low energy consumption, high durability, uniform light, and reasonable price. Many municipalities and organizations have chosen the single-color string light as a replacement for old string lights, and the result has been the creation of beautiful, safe, and sustainable spaces.