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

Product ID: 211946751

Details

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

🎯40° narrow beam precision

💡5W LED = 50W halogen power

🔆Smooth 10-100% flicker-free dimming

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S$74

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Description

✨ Light up your space, dim down your energy bills! 💡

SEAMLESS MOOD SETTING - Flicker-free dimming from 10% to 100% ensures perfect ambiance without buzz or flicker.
ENERGY SMART BRILLIANCE - Save 90% on energy bills with ultra-efficient 5W LED lighting that rivals 50W halogen bulbs.
PLUG PLAY VERSATILITY - Standard GU5.3 bi-pin base fits most fixtures; ideal for landscape, track, and recessed lighting.
PINPOINT LIGHTING CONTROL - 40-degree narrow beam angle delivers focused illumination for stylish indoor and outdoor accents.
BUILT TO LAST BUILT TO IMPRESS - 30,000-hour lifespan with UL listing and eco-friendly design for reliable, worry-free lighting.

The Torkase Dimmable MR16 LED Bulbs offer professional-grade, energy-efficient lighting with a warm 2700K soft white glow. Featuring a 5W power draw equivalent to 50W halogen, a focused 40-degree beam angle, and smooth dimming compatibility, these UL-listed bulbs are perfect for both indoor and outdoor accent lighting. With a 30,000-hour lifespan and a 10-pack convenience, they combine durability, style, and eco-conscious performance for the modern manager’s space.

Specifications

Brand	Torkase
Light Type	LED
Special Feature	Dimmable
Wattage	5 watts
Bulb Shape Size	MR16
Bulb Base	GU5.3
Incandescent Equivalent Wattage	50 Watts
Specific Uses For Product	Landscape lighting
Light Color	Soft White
Voltage	12 Volts
Unit Count	10.0 Count
Color Temperature	2700 Kelvin
Number of Items	10
Brightness	500 Lumen
Shape	Bulb
Material	Plastic
Connectivity Technology	Normal bulb
Indoor/Outdoor Usage	Indoor, Outdoor
Controller Type	Dimming switch
Included Components	Dimmable MR16 led bulbs
Power Source	DC
Color Rendering Index	80.00
Beam Angle	40 Degrees
Power Consumption	5 Watts
Item Package Quantity	1
Light Source Type	LED
Item Weight	0.46 Kilograms
Light Source Wattage	5 Watts
Product Dimensions	1.97"W x 1.97"H
Control Method	App
Average Life	30000 Hours
White Brightness	500 Lumens
Efficiency	Energy Efficient
Style	MR16
Manufacturer	Bling
UPC	782903058639
Part Number	2NZ921-3977
Item Weight	1.01 pounds
Item model number	SD5305021
Is Discontinued By Manufacturer	No
Color	2700k Soft White- Dimmable
Finish types	Soft White
Special Features	Dimmable
Shade Material	Plastic
Light Direction	Downlight
Batteries Included?	No
Batteries Required?	No
Wattage	5 Watts
Bulb Features	Dimmable

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