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Review: UK SL4 eLED L1 Dive Light

The Underwater Kinetics SL4 eLED L1 is a handheld flashlight that provides super bright light for up to 10 hours. This flashlight, designed by the premier diving brand Underwater Kinetics, is commonly used for cave diving, night diving, and close-up viewing for both recreational and professional uses. The new SL4 eLED L1 comes complete with incredible batteries to give users the light they need at play or at work, and works beautifully as a lightweight primary light for daytime dives, and a reliable secondary light for night dives and cave diving.

Features

  • At 400 lumens, this new SL4 eLED produces high brightness to be used for professional and recreational applications where more light is needed.
  • It includes 4 C-cell batteries which have the capability to provide 10 hours of run time. The extended life of these batteries minimizes the need for the user to change batteries.
  • With a depth rating of 500 ft/152m 500′, this light functions beautifully for various types of dives.
  • It comes with a high intensity LED bulb that does not break easily even when its dropped, and offers several thousand hours of use before the bulb requires replacing.
  • Choose between ultraviolet or white LED lights.
  • It features single handed toggle switch that lets you flip the light on or off with your index finger or thumb.
  • The UK SL4 eLED L1 offers controlled light output that maintains consistent, reliable brightness.
  • Experience advanced waterproof construction. The flashlight features tough, non-corroding ABS and a poly-carbonate plastic construction. This ensures it lasts for a long time with proper use.
  • The SL4 LED features a compact size and a narrow penetrating beam that reaches over 600ft.
  • It can fit in a small toolbox for portability purposes, and is super lightweight at just a little over 15oz.
  • The torch is outfitted with a reliable lanyard, and the light itself comes in two colors – neon yellow or black.

Pros

  • Offers great performance.
  • Easy to use.
  • Produces super bright light.
  • Lightweight and powerful.
  • Comes with limited warranty through Underwater Kinetics.
  • Fitted with a 10,000 hour high intensity LED bulb.
  • Easy to operate with one hand.

Cons

  • The model is not certified for use in hazardous gas locations.

The Underwater Kinetics SL4 eLED L1 flashlight is suitable for international travel, night diving and various industrial, fire and utility applications that require high brightness and the utmost waterproof reliability. Overall, it’s a solid dive light that continuously outperforms similar lights in the same price range.

Cavediver Aaron: On Aaron’s 10th birthday his uncle surprised him with diving lessons, and Aaron was instantly hooked. Today, he’s a certified master scuba diver working as a commercial diver full-time and a PADI instructor specializing in cave diving part-time. Because he’s used to exploring the deepest, darkest corners and crevices of the water, he has tested out and tried just about every worthwhile dive light and accessory on the market, and he loves to share his expertise and favorite products here on the Dive Light blog.