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| Technical details |
M3
|
M3 Pro
|
SLB
|
|---|---|---|---|
| Use | Recreational diving, spearfishing and technical-diving backup lighting. | Recreational diving, spearfishing and technical-diving backup. A primary-light setup requires the compatible corded battery-canister configuration. | Compact long-throw white-laser light for rescue and long-distance search. |
| Lighting features | Long-throw white light. High, medium and low brightness, plus SOS and strobe. | Long-throw white light with stepless brightness adjustment. | Fourth-generation LEP with a concentrated long-range beam. |
| Maximum output | 1,900 lm | 3,400 lm | 1,000 lm |
| Listed beam distance | 600 m | 711 m | 1,600 m |
| Depth rating | 250 m | 250 m | 250 m |
| Battery | 21700 rechargeable · 5,000 mAh | 21700 rechargeable · 5,500 mAh | 21700 rechargeable · 5,000 mAh · M3 / SLB battery platform |
| Dimensions | 146 mm length · 38.2 mm head diameter · 24.5 mm body diameter | 145.6 mm length · 38.5 mm head diameter · 24.5 mm body diameter | 168 mm length · 40 mm head diameter · 32 mm body diameter |
| Weight | 120 g light only (calculated) · 198 g including battery | 121 g light only · 205 g including battery | 167 g light only (calculated) · 245 g including battery |
| Emergency signalling | SOS + strobe | SOS + strobe | SOS + strobe |
Output, beam distance and runtime are separate manufacturer-listed specifications. Maximum runtime is not continuous runtime at maximum output; read mode notes. A depth rating is not a promise of visibility or usable beam distance underwater. Unlisted details are not assumed to be equal.