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Product Description
My light has a defective rear tail-cap switch. When the tail cap is screwed on completely, the light will not operate at all. Unscrewing the tail cap about 2/3 of the way will allow the switch to operate about 50% of the time. Another turn or two and the tail cap comes off.
This is totally unreliable and unacceptable. Unfortunately, the seller requires a 15 day return period and I didn't get to test the light until 2 weeks after it arrived - resulting in a total waste of my money.
When the unit actually emits light - it is a very bright, very broad, pattern best described as a flood light and not a spot light. The 220 Lumen Dorcy 49-4299 or 300 Lumen MXDL CREE illuminate a target at 125 yards far better than this "900 Lumen" UltraFire. For work at close ranges (10 to 40 yards) - this light illuminates a broad area with a clean white light.
Testing the light against white double garage doors on a moonless night reveals some minor shadows, defects, and "ghosts" in the pattern - but nothing too bad, especially given the short range flood light nature of the product.
I do not have the test equipment to verify UltraFire's claim of 900 lumens, but I very much doubt it. Comparing this light to many "big name" brands such as Streamlight, Pelican, Dorsey, Fenix, MagLite, Surefire, etc. - I can't see that it is any brighter than their 200~300 lumen models.
Of course - none of that matters when the switch is defective and the light doesn't work. Other reviewers have had better luck - but quality control is obviously an issue with this unit.
05-SEP UPDATE: After disassembling (not simply unscrewing it) the tail-cap/switch assembly and putting everything back together - the switch started working normally with the tail cap fully screwed on. I've not unscrewed the tail-cap since for fear it will stop working again... once the battery runs out, I will be forced to try my luck. I've increased my rating from 1 star to 2. No customer should have to repair a brand new product. At this point, I have little confidence in this light and wouldn't count on it for life/death situations. If it continues to work correctly after several battery changes, I'll increase the rating again to 3 stars.
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