Comparison Console
Streamlight MegaStream USB vs SureFire M600DF Scout Light Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
SureFire M600DF Scout Light Pro stands out as the lightest option for weight, with about a 5% gap from the closest alternative. Streamlight MegaStream USB stands out as the cheapest option for retail price, with about a 58% gap from the closest alternative. Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Decision Signals
What stands out
Streamlight MegaStream USB stands out as the cheapest option for retail price, with about a 58% gap from the closest alternative.
SureFire M600DF Scout Light Pro stands out as the most expensive option for retail price, with about a 136% gap from the closest alternative.
SureFire M600DF Scout Light Pro stands out as the lightest option for weight, with about a 5% gap from the closest alternative.
Streamlight MegaStream USB stands out as the heaviest option for weight, with about a 5% gap from the closest alternative.
SureFire M600DF Scout Light Pro stands out as the lowest output option for max lumens, with about a 17% gap from the closest alternative.
Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
SureFire M600DF Scout Light Pro stands out as the shortest runtime option for max runtime, with about a 88% gap from the closest alternative.
Streamlight MegaStream USB stands out as the longest runtime option for max runtime, with about a 767% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$148Cheapest
US$349Most expensive
Weight
153 g (5.40 oz)Heaviest
146 g (5.15 oz)Lightest
Length
134 mm (5.28 in)Shortest
141 mm (5.55 in)Longest
Output
Max lumens
1800 lmHighest output
1500 lmLowest output
Max candela
26000 cdHighest candela
16000 cdLowest candela
Beam distance
322 m (1056 ft)Highest
250 m (820 ft)Lowest
Max runtime
780 minLongest runtime
90 minShortest runtime
Power & durability
Battery type
SL-B34 rechargeable lithium-ion battery pack
SF18650B rechargeable or two 123A lithium
Charging type
USB-C charging port accessible without removing the battery
Proprietary cradle charging for SF18650B battery (battery must be removed to charge)
Rechargeable
Yes
Yes
IP rating
IPX7 waterproof to 1m for 30 minutes
IPX7
Impact resistance
2 m (7 ft)
Unknown
Material
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Mil-Spec hard-anodized aluminum with tempered glass window
Use case profile
Best for
Everyday carryOutdoor useHigh-lumen requirement
Tactical close to long-range applicationsWeapon-mounted tactical useSituational awareness in low light environments
Common praise
Compact size with high outputSmooth and focused beamConvenient USB-C charging without battery removalDurable machined aluminum buildLong runtime on low settings
High-quality, rugged construction suitable for combat-like conditionsBright 1,500 lumen output with balanced beam profileDual fuel capability with included rechargeable SF18650B battery or two 123A lithium batteriesSecure and quick mounting with M75 thumbscrew mountEffective balance of reach and spill light for situational awarenessRelatively lightweight at 146 grams
Common complaints
Charging port cover prone to opening accidentallyPocket clip not securely attachedHigh output can be too bright for close work
Requires removal of battery for charging via proprietary cradleBeam throw limited to approximately 250 meters, less than specialized throw-focused weapon lightsHigher cost compared to some budget weapon lights