24v (8-30 Volt DC)
from SailorSams.com

The Linx MR16 LED Bulb intensity (lumens) are comparable to a 15 watt halogen bulb. If you are replacing 12 Volt MR16, 10 watt halogen bulbs, the Linx MR16 LED Bulbs will be brighter, yet cooler and more efficient. Order below

Replace your inefficient and hot halogen MR16 dichroic & reflector bulbs with these highly efficient and “cool” MR16 LED Replacement Bulbs.

These bulbs feature constant-current drive electronics for steady light output across the full 10-30VDC range.

Warm-white high output LEDS combined with special linked optical lens results in uniform and satisfying illumination.

Input voltage must be DC (direct current) from a battery source, LED converter, or DC power supply.

Compare to a 10W standard bulb, which is typically 100 to 130 Lumens, depending on the bulb quality.

MR16 GU5.3 LED Bulb

Dimensions:
1.73" Long x 1.95" Face Diameter
44.0mm Long x 50.0mm Face Diameter

Base size:

LED Bulb Product Sheet (pdf)

LED Bulb Product Details

Fits Socket: GU5.3 (MR16 Reflector Bulb)
Typical Application: Down Spots
Dimensions: 1.73" Long x 1.95" Diameter (44.0mm Long x 50.0mm Diameter)
Input Voltage: 8-30VDC
Power (Watts): 3.25 W
Current Draw:
- 127 mA/12V (0.27 amps)
- 140 mA/24V (0.14 amps)
LED Type/Quantity: 3 x 1E Linked Lens
Beam Angle (FWHM): 30º
Light Output (Lumens):
- Warm White: 200 Lumens
Warranty: 2 Years

What is an LED Converter?

When using LED lights on DC power that is converted from AC Power, you may experience noise or fluctuations in intensity. This is typically caused by non-smooth power characteristics (such as sine wave influence). This can usually be resolved with an LED Converter. An LED converter not only converts AC to DC, it also smoothes out the wave (provides superior voltage regulation), so your LED's get what they need in a regulated dosage.

The bottom line is, if your power source is noisy (such as if it was converted from AC instead of being sourced from a battery or solar cell), you may find an LED Converter is the best solution (not all transformers / power supplies are of the same caliber). LED converters are designed specifically to power LED's.