Those are the bulbs I will be changing my halogen puck light above the sink to. Here is the description of what they replace.
Here is a list of the round type.
http://www.ebay.com/sch/i.html?_trks...at=0&_from=R40
However I have been told the flat round type put out better downward light. But I have no experience yet.
100% brand new and high quality
12V bright LED warm White Light Marine Bulb Lamp
Spotlight, no shadow
The G4 Light is made by 24 pcs super bright and high intensity 1210 SMD
Energy saving, low power consumption, long life expectancy, low heat (safe to touch)
Easy to install
Suitable for car, truck, boat ,RV, landscaping lights and even inside of home, applications such as cabinet and
kitchen light and so on
There is no positive and negative to distinguish, you will be never worry about the voltage will damage the bulb when you connect wrong
Base: G4
LED Chip: 1210
Light Color: Warm White (3000~3300K)