The transformer is buzzing a lot when i install the leds, what tipe of transformer should i use to replace it?

It depends a lot on the load (how many LEDs and the rated current). This is a good general purpose dimmer that works well with LEDs: https://www.amazon.com/Lutron-Incandescent-Single-Pole-Multi-Location-MACL-153M-WH/dp/B008X3CHM0

Do these bulbs make a buzzing sound?

Since this is a 12V bulb, it need a transformer to works with, so if you used a halogen type transformer , it may flicker or buzzing, but if with LED type transformer, it works perfectly, thank you

1 st one in string blinking others also blinking changed 1 st back to halogen all blinking stopped?

Dear customer, our led light bulb is compatible with LED transformer( AC120V to DC12V ) , if with halogen type transformer , this light bulb will possible blink , thanks .

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Dimmable MR16 LED Bulbs(UL Listed),2700K Soft White,5W-50W Equivalent,GU5.3 Bi-Pin Base,12V Low Voltage,40-D Narrow Beam Angle,Indoor/Outdoor Landscape Warm LED Spot Lighting Bulbs,10-Pack

Dimmable MR16 LED Bulbs(UL Listed),2700K Soft White,5W-50W Equivalent,GU5.3 Bi-Pin Base,12V Low Voltage,40-D Narrow Beam Angle,Indoor/Outdoor Landscape Warm LED Spot Lighting Bulbs,10-Pack

Product ID: 211946751

Details

Brand
Torkase
Bulb Shape Size
MR16
Light Type
LED
Special Feature
Dimmable
Wattage
5 watts

🎯40° narrow beam for focused lighting

💡5W power, 50W halogen equivalent

🔋30,000 hrs lifespan, energy-saving

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Description

✨ Light smarter, live brighter with Torkase MR16 LEDs!

VERSATILE GU 5 3 BASE - Standard bi-pin base fits most fixtures effortlessly, making upgrades and replacements a breeze for your smart home setup.
ENERGY SMART BRILLIANCE - Consumes just 5W while delivering 500 lumens—slash your energy bills by over 90% without compromising brightness.
PRECISION LIGHTING FOCUS - 40-degree narrow beam angle targets your highlights with laser-like accuracy—ideal for indoor/outdoor accent and landscape lighting.
SEAMLESS DIMMING CONTROL - Smooth flicker-free dimming from 10% to 100% with most LED dimmers—set the perfect mood every time.
LONG LASTING ECO FRIENDLY - Built to last 30,000 hours with no flicker, buzz, or harmful radiation—reliable, safe, and kind to the planet.

The Torkase Dimmable MR16 LED Bulbs offer a warm 2700K soft white glow with energy-efficient 5W power that matches a 50W halogen. Featuring a focused 40° beam angle and a standard GU5.3 base, these bulbs provide flicker-free dimming compatible with most LED dimmers. Designed for indoor and outdoor use, they deliver 500 lumens of bright, eco-friendly lighting with a lifespan of up to 30,000 hours, making them a smart upgrade for modern, energy-conscious spaces.

Specifications

ASIN	B086WVWQJ7
Additional Features	Dimmable
Beam Angle	40 degrees
Best Sellers Rank	#21,284 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,352 in LED Bulbs
Brand Name	Torkase
Bulb Base	GU5.3
Bulb Shape Size	MR16
Color	2700k-dim
Color Rendering Index	80
Color Temperature	2700 Kelvin
Connectivity Technology	Normal bulb
Control Method	App
Controller Type	Dimming switch
Customer Reviews	4.3 4.3 out of 5 stars (158)
Efficiency	Energy Efficient
Incandescent Equivalent Wattage	50 watts
Included Components	Dimmable MR16 led bulbs
Indoor Outdoor Usage	Indoor, Outdoor
Item Dimensions W x H	1.97"W x 1.97"H
Item Weight	0.46 kg
Light Color	Soft White
Light Output Maximum	500 lumens
Light Source Operating Life	30000 hours
Light Source Type	LED
Light Source Wattage	5 watts
Light Type	LED
Manufacturer	TORKASE
Manufacturer Part Number	2NZ921-3977
Material Type	Plastic
Model Number	SD5305021
Number of Items	10
Package Quantity	1
Power Consumption	5 watts
Power Source	DC
Shape	Bulb
Specific Uses For Product	Landscape lighting
Style Name	MR16
UPC	782903058639
Unit Count	10 Count
Voltage	12 volts
Wattage	5 watts
White Brightness	500 lumens

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B/.141

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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