Complete your setup
M3 · Battery included.
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M3 / SLB spare battery
$30.00 USD
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360° rotating mount
$15.00 USD
Shipping and any applicable taxes are calculated at checkout.
Free U.S. shipping on orders of US$300 or more.
M3 Compact Dive Light
Limited warranty
- Light units
- 3 years
- Batteries
- 1 year
Warranty periods start on the date of purchase. For defects in materials or workmanship under normal use. Your statutory rights remain unaffected.
Delivery or battery-shipping questions? service@3qrs.com
View warranty & return terms- Maximum output
- 1,900 lm
- Listed beam distance
- 600 m
- Depth rating
- 250 m
- Battery
- 5,000 mAh
Lighting features: Long-throw white light. High, medium and low brightness, plus SOS and strobe.
Recreational diving, spearfishing and technical-diving backup lighting.
Temperature protection · Underwater and outdoor use
Battery included. Looking for a spare? See the battery guide.
The removable battery also works as a USB-C power bank.
Box contentsFilm Battery & charging Full specificationsM3 Compact Dive Light
Compact reach. Your everyday dive light.
A compact long-throw white-light format for recreational diving, spearfishing and technical-diving backup.
High, medium and low brightness, plus SOS and strobe. A removable 5,000 mAh battery is included.
M3 / PRODUCT FILMS
M3, in motion.
A closer look at the compact M3, its finishes and underwater use.
Brand product film. See the current specifications and runtime notes below.
The M3 kit
What’s in the box
One complete kit. One included battery.
- 1 ×M3 flashlight with one 21700 5,000 mAh battery
- 1 ×Storage pouch
- 3 ×Spare O-rings
- 1 ×Silicone grease
- 1 ×USB-C charging cable
- 1 ×Wrist lanyard
- 1 ×User manual
- 1 ×Retail box
The battery is shown separately for identification. The kit includes one battery in total, not an additional spare.
Included with M3
One battery. Two ways to use it.
For your light.
One removable 21700 rechargeable 5,000 mAh battery is included in the M3 kit.
A power bank, too.
Out of the light, the same battery can supply power to other devices through USB-C.
Charge the battery, not the light. Remove the battery and connect a USB-C cable to its port. There is no charging port on the light body.
Explore compatible batteries
Brightness changes runtime.
Read each brightness setting separately. The longest listed runtime is not runtime at maximum output.
- High
- 1 h
- Medium
- 3 h
- Low
- 7 h
High mode includes approximately 35 minutes at maximum output, within its listed 1-hour runtime.
Manufacturer-listed figures. Runtime varies with mode and conditions. Maximum runtime is not continuous runtime at maximum output.
Technical details
Recreational diving, spearfishing and technical-diving backup lighting.
Light & use
- Maximum output
- 1,900 lm
- Listed beam distance
- 600 m
- Depth rating
- 250 m
- Lighting features
- Long-throw white light. High, medium and low brightness, plus SOS and strobe.
- Nominal beam angle
- 6°
- Use
- Underwater and outdoors on land
- Housing and finish
- Anodized 6061 aircraft-grade aluminum alloy
Rated to 250 m, deeper than many dive lights rated to 100–150 m.
Why M3 and M3 Pro use a 6° beam
- Emergency signalling
- SOS + strobe
SOS and strobe modes for emergency visual signalling. Operation varies by model; follow the product manual.
Visual signalling only. Not a substitute for a distress beacon or emergency communications.
Listed beam distance is a technical specification, not usable underwater visibility. A depth rating does not describe visibility.
Battery & charging
- Battery
- 21700 rechargeable · 5,000 mAh
- Battery weight
- 78 g
- Charging
- USB-C on the removable battery, not on the light body.
- Power bank function
- The removable battery can supply power to other devices via USB-C.
Size & weight
- Dimensions
- 146 mm length · 38.2 mm head diameter · 24.5 mm body diameter
- Weight
- 120 g light only (calculated) · 198 g including battery
Light-only weight is calculated: 198 g including the battery − 78 g battery = 120 g.
Understand the light
Reach, brightness and beam width are different choices.
M3, M3 Pro and SLB are all long-throw lights. SPARK also reaches with a narrow beam, while electronic zoom lets you change the beam width.
- Long throw
- A concentrated beam designed for reach. M3 and M3 Pro suit recreational diving, spearfishing and technical-diving backup; SLB focuses on compact long-range search.
- Stepless dimming
- M3 Pro adjusts brightness continuously. Brightness adjustment does not, by itself, change the beam angle.
- Electronic zoom
- SPARK changes between narrow and wide illumination electronically. Choose a tighter beam for reach or a wider beam for nearby coverage.
Questions, answered.
Help with choosing, delivery and support.
Is seven hours at maximum output?
No. Seven hours is the listed runtime for low mode. Medium mode is listed at three hours. High mode is listed at one hour, including an approximately 35-minute maximum-output phase.
Which light should I choose?
M3 is intended for handheld diving and spearfishing. Use our light finder to narrow the range by use, then compare the remaining models.
Delivery or technical support?
For destination, battery-shipping or order questions, contact the 3QRS team with the model and destination country. For technical information, visit Eboostr.
Already using this light?
Share your real experience. Feedback goes to our team; it does not automatically create a public review or star rating.
Questions about a light or an order? Contact the 3QRS team at service@3qrs.com.
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Shipping & delivery
For shipping questions about your destination or selected product, contact service@3qrs.com.
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Contact Us
Email service@3qrs.com with the product name and your question. For an existing order, include your order number.