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Underwater Kinetics

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About Underwater Kinetics Sunlight C4 Dive Light

The C4 Xenon is lighter than most other primary dive lights. It is designed to fit smaller hands while still offering brightness comparable to lights twice its size. Its twin lamp system allows you to switch to a backup bulb underwater. For maximum color clarity and a comfortable fit, the C4 is a perfect solution. This versatile 4 "C" cell dive light is good for divers who prefer a small, intense light with a pistol-style grip. The unique dual lamp system allows 60 hours total lamp life. A tough O-ring sealed ABS and polycarbonate case protects the components all the way down to 500' (152.4 meters). The small size of the C4 makes it ideal for revealing the incredible marine life hidden under ledges.

The C4 eLED is powered by 4 disposable C"-cell alkaline batteries (included), or if you wish to upgrade it with a rechargeable kit the SKU: UKTRKC4E is available eliminating the need for replacement power cells. With alkaline batteries the light has a burn time of 4 to 5 hours. The C4 Dive Lights dual 6.6-watt Xenon lamps produce 139 lumens of brightness. The light has a 426' (130 meters) on land. The light measures 6.6" x 5.6" x 3.2" (16.76 x 14.22 x 8.13 cm) and weighs 25.4 oz (720 g). The C4 Light is equipped with a non-breakable locking switch that prevents accidental actuation when in your gear bag and also has a protective heavy rubber lens boot for drop protection. Light handle is a pistol grip design and comes with an adjustable rubber sleeved wrist lanyard. Light is available in multiple colors, comes with an owner's manual is proudly made in the USA and is covered by a limited lifetime warranty.

The Underwater Kinetics Sunlight C4 Dive Light is commonly used for Cave Diving, Close-Up Viewing, Night Diving, Professional, Recreational, Safety Backup and more. The Underwater Kinetics Sunlight C4 Dive Light is most used by customers who consider themselves to be a Advanced Diver, Recreational Diver among others. The Underwater Kinetics Sunlight C4 Dive Light is popular because customers like the following qualities of the Underwater Kinetics Sunlight C4 Dive Light: Compact, High Intensity, Long Bulb Life, Reliable, Well-Focused.

Warranty Information

This product has a limited lifetime warranty.


Underwater Kinetics Sunlight C4 Dive Light Features

  • Underwater Kinetics Sunlight "C4" Dive Light with Pistol Grip
  • Dual 6.6-Watt Xenon Lamps
  • Power: 4 C-Cell Alkaline Batteries (included)
  • Lumens: 139 Lumens of Brightness
  • Beam Distance (On Land): 426' (130 meters)
  • Depth Rating: 500' (152.4 meters)
  • Optional Rechargeable Upgrade Kit (SKU: UKTRKC4E) Available
  • Burn Time: 4 to 5 Hours
  • Tough O-Ring Sealed ABS and Polycarbonate Case
  • Integral Pistol Style Grip: Designed to Fit Smaller Hands
  • Protective Heavy Rubber Lens Boot
  • Underwater Kinetics Lightest Weight Primary Light
  • Non-Breakable Locking Switch: Prevents Accidental Actuation
  • Adjustable Rubber Sleeved Wrist Lanyard
  • Dimensions: 6.8" x 5.6" x 3.2" (17.27 x 14.22 x 8.13 cm)
  • Weight: 25oz (708.74g)
  • Owner's Manual
  • Proudly Made in the USA
  • Limited Lifetime Warranty

Underwater Kinetics Sunlight C4 Dive Light Customer Reviews Powered by TurnTo®

Review Summary


(based on 27 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


great light for the price

great light for the price. along with the q40 on my mask they make a good pair. if you frequently go on night dives you better invest in an led light, but if you only go on night dives once in a while this is the light for you!


Most Liked Negative Review


Nice Light

I needed 4 lights for some night snorkelling and these were inexpensive, compact, and worked great. I'm not sure I'd use it as a primary light for night diving.

Reviewed by 27 customers

Displaying reviews 1-5

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Dive light


from Port Charlotte, FL, US

This arrived timely,well packaged and works well. I find the lighter lights slightly less bright but far less cumbersome to handle. I was happy to have this one for day and night use. I like 40 to 60 ft. depths . I was in areas of generally good visability and this was excellent. The price was the best by far at Leisure Pro.


Ok for the price


from Kennett Square, PA, US

For the price, it is a decent light but I found it too dim and sold it. Spend the extra money and get a decent LED light.


Terrific Light


Great light for general use. Helps get great photos in caves and nooks in swim throughs.




Bought this as my first primary light for partial penetration wreck and some night diving. Really surprised how weak and diffuse the beam was. Prefer my Princeton tec 400 (bought initially as a backup!) as it's heaps brighter... Delivery to Australia was prompt and in tact as per usual awesome service from LP!


Pistol Grip by Underwater Kinetics


Great light for diving in the Chesapeak Bay

Displaying reviews 1-5

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Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Why Did You Choose This?
FRANCISCO J U  exelent for night dive and Lobsters scale
DOMINI Y  I caused someone to lose hers, so pay her back.
WILLIAM S  Good light output but bulky for regular day use. Good for night dives.
ANTHONY S  Still likeing this one! Thanks Anthony
Shopper  How many lumens is this light?
LeisurePro S  Rated for 104 lumens.
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