GU10 lamps have bannett style contacts that fit into a socket with slotted holes. Push in gentle and turn slightly to the left and the lamp will come out.
We replaced a 50-watt halogen MR16 bulb with these in a walk-in closet. Our pins were the same. Perhaps you should look for an item picture with pins like you already have.
Yes I think so, but everything at Home Depot is returnable so.........(not sure what the (-16+c) means in your question but these are GU10 and plenty bright and dimmable.
Without knowing what type of lamp was originally in your fixture, 4.5 watt GU10. If you changing to LED from some other type of lamp, then you need to match the lumen output of the lamp your replacing.
The beam angle is 40 degrees.
These don't need reflection,they have directional LEDs.
They work on standard house voltage. It is usually call 120 volts, but if you use a meter to check it can be as low as 110. If in California it is maybe it is working.
It emit a whiche light. It will be a replacement for the halogen a yellow tented light. A halogen yellow tented light will be beat.
Yes. The bulbs respond quickly to being turned on.