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Material: Aluminum alloy + ABS plastic, Light bulb: COB white + red, Battery: Built-in 1x 18650 battery, 280 lm, CCT: 6000-6500K, Waterproof Standard: IP-X4
Aliexpress
There’re some similar (or not) items on Aliexpress
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Price history and price alert
Price history (for all/most countries) for UltraFire W-51 COB Work Flashlight is here.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).