---
product_id: 234874563
title: "GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6)"
brand: "mastery mart"
price: "NT$1682"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/234874563-gu10-led-light-bulbs-dimmable-5000k-daylight-white-4-5w
store_origin: TW
region: Taiwan
---

# 25000 Hours Lifespan 4.5W Power Dimmable Flexibility GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6)

**Brand:** mastery mart
**Price:** NT$1682
**Availability:** ✅ In Stock

## Summary

> Illuminate Your Space, Elevate Your Life! ✨

## Quick Answers

- **What is this?** GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6) by mastery mart
- **How much does it cost?** NT$1682 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/234874563-gu10-led-light-bulbs-dimmable-5000k-daylight-white-4-5w)

## 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

- • **🔇 Silent Operation:** Enjoy flicker-free, noise-free lighting that enhances your ambiance without distractions.
- • **💰 Save Big on Energy:** Replace 50W halogen with 4.5W LED and save up to 91% on your energy bill!
- • **🌈 True Color Rendering:** Experience vibrant colors with an 85+ CRI for natural lighting in any space.
- • **🔧 Effortless Installation:** Standard GU10 base fits seamlessly into your existing fixtures—no hassle, just brilliance.
- • **🛡️ Quality You Can Trust:** UL Listed and Energy Star Certified, ensuring top-notch performance and safety.

## Overview

The GU10 LED Light Bulbs by Mastery Mart offer a perfect blend of energy efficiency and high-quality lighting. With a 5000K daylight color temperature, these dimmable bulbs provide 400 lumens of brightness while consuming only 4.5 watts, making them an eco-friendly alternative to traditional 50W halogen bulbs. Designed for easy installation and compatibility with most dimmers, these bulbs boast a lifespan of up to 25,000 hours, ensuring long-lasting performance. UL Listed and Energy Star Certified, they are a reliable choice for any modern home.

## Description

Full description not available

## Features

- ➤ Pack of 6, 5000K Daylight. 4.5 Watt, 400 Lumens. Dimmable. UL Listed, Energy Star Certified. 40 Degrees Beam Angle.
- ➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 91% energy and your bill by replacing 50 Watt halogen bulb with our 4.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)
- ➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight White 5000K. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.
- ➤ EASE OF INSTALLATION& UNIVERSAL SCREW BASE ACROSS NORTH AMERICA - Standard MR16 model across North-America, GU10 screw base. Install these Bulbs into all gu10 screw base fixtures directly. Unlike fluorescent bulbs, these bulbs are free of buzz, flickering, UV and mercury.
- ➤ WORLD CLASS QUALITY - We conducted 100% full inspection ✔ No defected bulbs will be Delivered to you. Great value, top quality, excellent performance but costs less than other brands. All of the Mastery Mart’s LED bulbs are certified by UL and Energy Star. REFUND MONEY FREELY with no questions if our LED light bulb does not satisfy you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MASTERY MART |
| Light Type | LED |
| Special Feature | <br>✔ Easy to install,Instant On, <br>✔ Shock and vibration resistant, <br>✔ Replacing 50 Watts Traditional Halogen Bulbs, <br>✔ Non-Flickering and no noise, <br>✔ MR16 MODEL/ GU10 Screw Base, <br>✔ Compatible with most modern Dimmers, <br>✔ 20% to 100% Dimmable, <br>✔ 4.5 Watts GU10 LED Track Light Bulbs, <br>✔ No Mercury, No UV& IR, <br>✔ UL Listed and Energy Star Certified |
| Wattage | 4.5 watts |
| Bulb Shape Size | MR16 |
| Bulb Base | GU10 |
| Incandescent Equivalent Wattage | 50 Watts |
| Light Color | Daylight White |
| Voltage | 120 Volts |
| Unit Count | 6 Count |
| Color Temperature | 5000 Kelvin |
| Number of Items | 1 |
| Brightness | 400 Lumen |
| Shape | Reflector(R) |
| Material | Dimmable, Glass, Energy Star Certified, UL Listed |
| Size | 6 Count (Pack of 1) |
| Model Name | GU10 |
| Connectivity Technology | Normal bulb |
| Controller Type | Push Button |
| Style | GU10 Tracklight Bulbs |
| Color Rendering Index | 85.00 |
| Power Consumption | 5.5 Watts |
| Light Source Type | LED |
| Specification Met | Energy Star, Ul_listed |
| Item Weight | 0.33 Kilograms |
| Light Source Wattage | 50 Watts |
| Item Dimensions LxWxH | 1.97 x 1.97 x 2.05 inches |
| Control Method | Touch |
| Manufacturer | Mastery Mart Co., Limited |
| Part Number | GU10 |
| Item Weight | 11.7 ounces |
| Product Dimensions | 1.97 x 1.97 x 2.05 inches |
| Country of Origin | China |
| Item model number | GU10 |
| Assembled Height | 5.2 centimeters |
| Assembled Length | 5 centimeters |
| Assembled Width | 5 centimeters |
| Color | 5000k Daylight White -4.5w |
| Maximum Compatible Wattage | 50 Watts |
| Special Features | <br>✔ Easy to install,Instant On, <br>✔ Shock and vibration resistant, <br>✔ Replacing 50 Watts Traditional Halogen Bulbs, <br>✔ Non-Flickering and no noise, <br>✔ MR16 MODEL/ GU10 Screw Base, <br>✔ Compatible with most modern Dimmers, <br>✔ 20% to 100% Dimmable, <br>✔ 4.5 Watts GU10 LED Track Light Bulbs, <br>✔ No Mercury, No UV& IR, <br>✔ UL Listed and Energy Star Certified |
| Batteries Included? | No |
| Batteries Required? | No |
| Wattage | 50 Watts |
| Average Life | 15000 Hours |

## Images

![GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6) - Image 1](https://m.media-amazon.com/images/I/81XLXAMBhJL.jpg)
![GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6) - Image 2](https://m.media-amazon.com/images/I/71-AHO+uGwL.jpg)
![GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6) - Image 3](https://m.media-amazon.com/images/I/718zP5u-BnL.jpg)
![GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6) - Image 4](https://m.media-amazon.com/images/I/81C+OXUt6wL.jpg)
![GU10 LED Light Bulbs, Dimmable 5000K Daylight White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 6) - Image 5](https://m.media-amazon.com/images/I/71PkkPcWbQL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can these be used in damp areas, such as bathrooms?**
A: Yes. They are regular light bulbs. Hope this helps.

**Q: Will these light flicker on low if installed in a hood range on low?**
A: Our hood has a low and high setting.  However, these LED’s are not dimable, so they only work on the high setting.  They do not flicker and provide very white and bright light.

**Q: Can these be used in damp areas, such as bathrooms?**
A: Yes. They are regular light bulbs. Hope this helps.

**Q: Does this LED glow when turned off?**
A: Hell no...these are standard Led light bulbs!

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-26*