---
product_id: 55072194
title: "MASTERY MART Dimmable GU10 LED Light Bulbs, 5.5W Bright 2700K Soft White 50W Halogen Equivalent, 400lm Energy Saver for Track Lighting Fixture, Kitchen, Basement, Living Room, 25000 Hours, 10 Pack"
brand: "mastery mart"
price: "9012 kr"
currency: ISK
in_stock: true
reviews_count: 12
category: "Mastery Mart"
url: https://www.desertcart.is/products/55072194-mastery-mart-dimmable-gu10-led-light-bulbs-5-5w-bright
store_origin: IS
region: Iceland
---

# 25,000 hours long-lasting life 40° precise spotlight beam 5.5W ultra-efficient power MASTERY MART Dimmable GU10 LED Light Bulbs, 5.5W Bright 2700K Soft White 50W Halogen Equivalent, 400lm Energy Saver for Track Lighting Fixture, Kitchen, Basement, Living Room, 25000 Hours, 10 Pack

**Brand:** mastery mart
**Price:** 9012 kr
**Availability:** ✅ In Stock

## Summary

> 💡 Light smarter, live brighter — upgrade your space with lasting brilliance!

## Quick Answers

- **What is this?** MASTERY MART Dimmable GU10 LED Light Bulbs, 5.5W Bright 2700K Soft White 50W Halogen Equivalent, 400lm Energy Saver for Track Lighting Fixture, Kitchen, Basement, Living Room, 25000 Hours, 10 Pack by mastery mart
- **How much does it cost?** 9012 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/55072194-mastery-mart-dimmable-gu10-led-light-bulbs-5-5w-bright)

## Best For

- mastery mart enthusiasts

## Why This Product

- Trusted mastery mart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Outlast:** Engineered for 25,000 hours of consistent, flicker-free illumination—goodbye frequent replacements.
- • **Safe & Eco-Friendly:** UL certified, mercury-free, flicker-free lighting that’s gentle on your eyes and the planet.
- • **Effortless Installation:** Standard GU10 base with quick twist-and-lock design fits most fixtures instantly, no tools needed.
- • **Energy-Saving Powerhouse:** Uses just 5.5W to replace 50W halogens, slashing your energy bills by up to 89%.
- • **Brilliant Focused Lighting:** 2700K soft white with a sharp 40° beam perfect for accentuating your space.

## Overview

The MASTERY MART GU10 LED bulb delivers focused 2700K soft white light with a 40° beam angle, replacing traditional 50W halogens at just 5.5W power consumption. Designed for longevity with 25,000 hours lifespan, it offers dimmable, flicker-free, and mercury-free lighting. Its universal GU10 base ensures easy installation in track and recessed fixtures, making it an energy-efficient, reliable upgrade for modern indoor lighting needs.

## Description

MASTERY MART Dimmable GU10 LED Light Bulbs, 5.5W Bright 2700K Soft White 50W Halogen Equivalent, 400lm Energy Saver for Track Lighting Fixture, Kitchen, Basement, Living Room, 25000 Hours, 10 Pack - desertcart.com

Review: Bright, Efficient, and a Perfect GU10 Upgrade - Bright, Efficient, and a Perfect GU10 Upgrade These Mastery Mart GU10 LED bulbs are easily one of the best replacements I’ve found for traditional 50W halogens. I installed them in both my kitchen track lights and an older stove hood fixture—places that demand steady, bright, and cool-running light. The 5000K daylight tone is crisp and clean, ideal for cooking or task lighting where you want full visibility without harsh glare. Installation was simple: twist and lock into the GU10 sockets, and they powered up instantly. The brightness is impressive—equal to or slightly better than my previous halogens—but without the heat buildup. Dimming performance is smooth from full brightness down to a gentle glow, with no noticeable flicker on compatible dimmers. After months of use, they’ve remained consistent in color and brightness, with no burnout or flickering. The energy savings are substantial, and the quality feels premium. These are also a good fit for older fixtures that used to run hot or overheat dimmer switches. Bottom line: Reliable, bright, and energy-efficient GU10 LEDs that outperform halogens in every way—perfect for kitchens, track lighting, and anywhere you want daylight clarity without the heat.
Review: led bulbs LNW - Glad to find these bulbs. They fit a stove hood I purchased 20 years ago but worked perfectly. So very bright for cooking area as well. They are quality LED bulbs and the price here was great over box stores.

## Features

- 【Focused and Bright Lighting】 2700K Soft White Light 40° Beam angle. Our dimmable 5.5W GU10 LED bulbs deliver a crisp with a precise 40° spotlight beam—perfect for highlighting artwork, track lighting, basement fixtures, accent walls, kitchen counters, or task areas. Dimming from soft accent lighting to full brightness, letting you set the mood for any occasion.
- 【Powerful & Efficient – Save on Your Bills】Upgrade your lighting with confidence—each 5.5W GU10 LED bulb is a true replacement for a 50W halogen, dramatically cutting your energy costs by up to 89%. Enjoy the same bright light you love, while saving money month after month.
- 【Built to Last – Reliable Performance】Say goodbye to frequent bulb changes! Our LEDs are engineered to shine bright for over 25,000 hours, providing lasting performance and peace of mind. Count on consistent brightness and quality, year after year.
- 【Easy Universal Installation】With a standard PAR16 shape and GU10 base, these bulbs fit seamlessly into most track lights, recessed fixtures, and spotlights. Installation is quick and tool-free—just twist and lock into place.
- 【Safe, Flicker-Free, and Mercury-Free】Rest easy knowing our bulbs are UL certified for safety, contain zero mercury, and emit no UV or IR radiation. Enjoy steady, flicker-free lighting that's gentle on your eyes and safe for your family and the environment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0764LVJNK |
| Accepted voltage frequency | 100 to 120 Volts and 60 Hertz |
| Average Life | 25000 Hours |
| Batteries Included? | No |
| Batteries Required? | No |
| Beam Angle | 40 Degrees |
| Best Sellers Rank | #22,340 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,508 in LED Bulbs |
| Brand | MASTERY MART |
| Brightness | 400 Lumen |
| Bulb Base | GU10 |
| Bulb Diameter | 2 Inches |
| Bulb Shape Size | PAR16 |
| Color | 2700k Soft White -5.5w |
| Color Rendering Index | 85 |
| Color Temperature | 2700 Kelvin |
| Control Method | Push Button |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,749) |
| Date First Available | October 3, 2017 |
| Efficiency | 72.73 lumens per watt |
| Finish types | Soft White |
| Incandescent Equivalent Wattage | 50 Watts |
| Included Components | bulbs |
| Indoor/Outdoor Usage | Indoor |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.36 pounds |
| Item model number | GU10 |
| Light Color | White |
| Light Output Maximum | 400 Lumens |
| Light Source Type | LED |
| Light Source Wattage | 5.5 Watts |
| Light Type | LED |
| Manufacturer | Mastery Mart Co., Limited |
| Material | Glass |
| Model Name | MM-GU10 |
| Number of Items | 10 |
| Part Number | MM-MM-GU10-2024-0328 |
| Power Consumption | 50 Watts |
| Power Source | Corded Electric |
| Product Dimensions | 2"W x 2.05"H |
| Shape | Parabolic Aluminized Reflector(PAR) |
| Special Feature | Dimmable |
| Special Features | Dimmable |
| Specific Uses For Product | Ceiling Fan |
| Specification Met | Energy Star, ul_listed |
| UPC | 640852998584 |
| Unit Count | 10.0 Count |
| Voltage | 120 Volts |
| Wattage | 5.5 Watts |
| White Brightness | 400 Lumens |

## Product Details

- **Brand:** MASTERY MART
- **Bulb Shape Size:** PAR16
- **Light Type:** LED
- **Special Feature:** Dimmable
- **Wattage:** 5.5 watts

## Images

![MASTERY MART Dimmable GU10 LED Light Bulbs, 5.5W Bright 2700K Soft White 50W Halogen Equivalent, 400lm Energy Saver for Track Lighting Fixture, Kitchen, Basement, Living Room, 25000 Hours, 10 Pack - Image 1](https://m.media-amazon.com/images/I/71pZMlo-ltL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Are these bulbs back lit?  My fixture has frosted globes that glowed with halogen bulbs**
A: I don’t know what a backlit bulb is so sorry

**Q: Do these bulbs allow some light to the sides? My fixtures are frosted glass on the sides to allow a glow and open in the front for direct light.**
A: I too have frosted shades around my light bulb & these do have a fairly wide spand of white light.

**Q: Dimming not working**
A: If the lights will not dim it may be because the dimmer switch is old and/or not compatible with the LED bulb.

**Q: What is the lowest light output?  i.e. how bright are they when the dimmer is turned all the way down, but not off?**
A: For me, the light is too bright when the dimmer is turned all the way down. I wanted to use them as a night light and to leave them on when I leave for work before sunrise. I’ll get lower wattage next time.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Bright, Efficient, and a Perfect GU10 Upgrade
*by E***S on October 8, 2025*

Bright, Efficient, and a Perfect GU10 Upgrade These Mastery Mart GU10 LED bulbs are easily one of the best replacements I’ve found for traditional 50W halogens. I installed them in both my kitchen track lights and an older stove hood fixture—places that demand steady, bright, and cool-running light. The 5000K daylight tone is crisp and clean, ideal for cooking or task lighting where you want full visibility without harsh glare. Installation was simple: twist and lock into the GU10 sockets, and they powered up instantly. The brightness is impressive—equal to or slightly better than my previous halogens—but without the heat buildup. Dimming performance is smooth from full brightness down to a gentle glow, with no noticeable flicker on compatible dimmers. After months of use, they’ve remained consistent in color and brightness, with no burnout or flickering. The energy savings are substantial, and the quality feels premium. These are also a good fit for older fixtures that used to run hot or overheat dimmer switches. Bottom line: Reliable, bright, and energy-efficient GU10 LEDs that outperform halogens in every way—perfect for kitchens, track lighting, and anywhere you want daylight clarity without the heat.

### ⭐⭐⭐⭐⭐ led bulbs LNW
*by L***W on January 17, 2025*

Glad to find these bulbs. They fit a stove hood I purchased 20 years ago but worked perfectly. So very bright for cooking area as well. They are quality LED bulbs and the price here was great over box stores.

### ⭐⭐⭐⭐⭐ Dimmable LEDs with decent backlighting
*by W***R on November 6, 2020*

If you're have track lights with glass shades and you're looking for LED bulbs that match the backlighting of halogen bulbs, good luck! For most LED bulbs in this style, backlighting is non-existent. These bulbs give off enough backlight to light up the shades, which is one of the main criteria I was searching for in an LED replacement. In addition to that, they are dimmable and have a pleasing warm color. At full brightness they are very bright, and they have a wide dimmable range before they start to flicker. I've also reviewed the Phillips GU10 LEDs and I find that these are slightly warmer, slightly brighter, and have just a bit more backlight. I wouldn't say that the Phillips are on the daylight side of the light spectrum, but they are very neutral in color compared to the warmth of these bulbs. I like these better, but they're not so different that I'm going to replace the Phillips LEDs with these.

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-04-25*