1 / 7LUTW MR16 GU5.3 LED Bulbs, 5W, Warm White, 6 Pack
LUTW MR16 LED bulbs are a six-pack of low-voltage GU5.3 lamps for compatible 12V fixtures. Their warm-white colour and focused beam suit accent or display lighting, but the listing gives conflicting brightness and operating-life figures, so those claims should not be treated as settled.
At a glance
- GU5.3 bi-pin base and MR16 form factor for compatible fittings.
- Warm-white 3000K light with a listed 38-degree beam angle.
- The manufacturer describes it as non-dimmable and warns against use with dimmers.
- The listing specifies low-voltage operation. Do not connect to standard 220-240V household mains.
Reference price: $29.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Six bulbs are listed in the pack, useful for replacing several matching lamps at once.
- A 38-degree beam is suited to targeted accent lighting rather than broad room coverage.
- The stated 5W draw is paired with a claimed 40W halogen equivalent.
Cons
- Non-dimmable design rules it out for fittings that require dimming.
Technical specifications
26 specifications| Brand | LUTW |
|---|---|
| Model | MR16-5Lowvolt 3000K |
| Light source | LED |
|---|---|
| Colour | Warm White |
| Colour temperature | 3000 Kelvin |
| Brightness | 500 Lumens |
| Alternative maximum-output listing | 470 Lumens |
| Beam angle | 38 Degrees |
| Colour rendering index | 82 |
| Power consumption | 5 Watts |
|---|---|
| Halogen equivalent | 40 Watts |
| Voltage | 12 Volts |
| Power configuration | DC |
| Base | GU5.3 |
| Dimming | Not dimmable |
| Bulb size | MR16 |
|---|---|
| Shape | Multifaceted Reflector(MR) |
| Weight | 0.17 Kilograms |
| Dimensions | 5.5W x 5H centimetres |
| Control methods listed | Push Button |
|---|---|
| Operating life listed | 30000 Hours |
| Other operating-life claims | 20000 hours |
| Further operating-life specification | 25000H |
| Number of bulbs | 6 |
|---|---|
| Materials | Aluminium, Plastic |
| Indoor/outdoor usage listed | Indoor |
What to know before buying
Listing details to confirm
The listing conflicts on brightness, with 500 Lumens in the title and details but 470 Lumens in other specifications. Operating life is variously stated as 20000 hours, 25000H and 30000 Hours. Voltage is described as 12V in some sections and 12-24V elsewhere, while the power-source field says DC despite AC/DC wording in the title and feature text. Confirm fixture voltage and supply compatibility before purchase, and do not use with 220-240V mains or dimmers.
What’s in the box
Included- MR16 GU5.3 LED bulbs, 6-pack
Who is it for?
A good fit for
- People replacing several GU5.3 MR16 bulbs in compatible low-voltage fixtures.
- Buyers wanting warm-white spot lighting for display, accent or decorative use.
Less suited to
- Anyone needing a dimmable bulb.
- Fixtures supplied directly by standard 220-240V household mains or those with unconfirmed voltage compatibility.
Customer reviews on Amazon
- 5 stars
67% 67% - 4 stars
19% 19% - 3 stars
5% 5% - 2 stars
2% 2% - 1 star
7% 7%
The supplied evidence includes aggregate ratings but no written customer feedback. The distribution leans positive, with most ratings in the four- and five-star categories, while a smaller share is low. These figures indicate varied overall satisfaction but do not identify customer-reported strengths or explain the lower ratings. They do not resolve the listing's conflicting brightness, voltage and lifespan claims.
Frequently asked questions
Will these bulbs work in a standard household socket?
No. The listing says they are low-voltage bulbs and warns against using them with 220-240V household voltage. Check that the fixture and transformer supply match the bulb before installation.
Can these bulbs be used with a dimmer?
No. The listing identifies them as non-dimmable and says not to use them with dimmers.
How bright are the bulbs?
Brightness is inconsistent across the listing: the title and details state 500 Lumens, while other specifications state 470 Lumens. Treat the output as unconfirmed.
How long are the bulbs rated to last?
The listing gives three different operating-life claims: 20000 hours, 25000H and 30000 Hours. It does not establish one consistent figure.
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