It's really bright and literally doesn't have time to warm up so it turns on instantly. I use this on a burglar alarm system and it's great. No human or animal wants to be an object of this light at night. Your eyes see spots after looking at it. I decided to make it more waterproof by simply removing the front lens and using E6000 flexible adhesive. Light. You change the light pattern by touching the wire with the POSITIVE voltage. I will buy more of these.
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