Princeton Tec |SKU: LG4-BK

Princeton Tec League 420 Diveable Handheld LED Flashlight (Black)

$49.51

Product highlights

  • 420 lumens brightness
  • IPX8 waterproof rating (up to 100 meters)
  • 12-degree ergonomic angled head
  • Glove-friendly toggle switch with lockout
  • Large clip attachment point
  • 3.5-hour runtime
  • Beam distance: 130 meters
  • Uses 4 AA alkaline batteries
  • Lightweight design (203g with batteries)

In the box

  • 1 x Princeton Tec League 420 Diveable Handheld LED Flashlight (Black)

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

Princeton Tec League 420 Diveable Handheld LED Flashlight (Black)

Ergonomic, Dive-Ready Illumination

The Princeton Tec League 420 is an essential tool for divers seeking a compact, ergonomic, and powerful underwater flashlight. Designed with a 12-degree angled head for optimal wrist alignment, this handheld light offers comfort and precision when navigating dark underwater environments.

With an IPX8 waterproof rating and a depth capability of up to 100 meters, the League 420 is built for serious underwater exploration. Its glove-friendly toggle switch features a lockout function to prevent accidental activation during travel or storage. A large clip area allows easy attachment to a carabiner or gear for hands-free convenience.

420 Lumens Brightness

Delivers a powerful, focused beam from a single Maxbright LED—ideal for low-visibility underwater environments.

IPX8 Waterproof Rating

Fully submersible and rated for depths up to 100 meters, making it suitable for scuba diving and deep-water use.

Ergonomic 12-Degree Angled Head

Designed to align naturally with your wrist, allowing a comfortable and secure grip while directing light exactly where it's needed.

Glove-Friendly Toggle Switch

Oversized switch is easy to operate even with thick diving gloves and features a lockout mode to prevent accidental activation.

Large Clip Attachment Point

Built-in clip area accommodates carabiners and lanyards, allowing you to securely attach the light to your gear or dive rig.

Lightweight and Balanced

Weighs just 203g including batteries, making it easy to handle and carry underwater without adding bulk.

Runs on 4 AA Alkaline Batteries

Convenient and widely available power source provides up to 3.5 hours of continuous use.

Long Beam Distance

Projects a focused beam up to 130 meters, ideal for spotting underwater structures or marine life from a distance.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

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