K3 Ultramulti EDC keychain tool ZDNET's key takeaways The K3 is available now for $40 on Amazon.
It's a portable flashlight packed with features, a long battery life, and can attach to both clothing and metallic surfaces.
It's not going to be as durable as some of its more premium competitors. View now at Amazon
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I had an EDC (everyday carry) flashlight for years. I started out with a small Photon keychain light (a brand that's still going), moved to Maglite and Surefire flashlights, then lights that incorporated lasers and UV lights and other cool things. These can be expensive, but they deliver.
Also: My AirTags kept dying, so I switched to this tracker that lasts for five years
Then a reader sent me a link to a KYD Trash or Gold Instagram post where a flashlight called the K3 Ultramulti was being reviewed. This was considerably cheaper than my usual EDC flashlight, yet packed with features The question my reader had was simple: did I think the K3 was as good as the video suggested?
Talk is cheap, so I grabbed a K3 and put it to the test.
There's a lot to the K3. It's an 800 lumen LED for illumination, which is quite an output for a small aluminum flashlight that fits into the palm of your hand. This light is perfect for dark nights and is far more powerful than the light on my iPhone.
But there's more. The UV light is perfect for spotting counterfeit currency, making glow-in-the-dark paint glow, activating UV adhesive, and detecting leaks using UV dye.
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