These are very bright lights. In my home I have an emergency lighting system which is powered by an Uninterruptible Power Suppl...  Read More

These are very bright lights. In my home I have an emergency lighting system which is powered by an Uninterruptible Power Supply (UPS) with a capacity of 1500VA . It is used to power lighting in my basement. I have a total of eight 20W halogen reflector bulbs which come on if there is a power outage. I replaced the eight halogen bulbs with only four of these bulbs and get more light than before, plus they only use a fraction of the power needed. Now instead of several hours of light, I can get several weeks of light. This is only one of many ways to use these lights. Use your imagination. I received these lights at a discount for an unbiased review.  Read Less