I had the opportunity to evaluate the Sofirn SP31 and was provided a copy for review by Sofirn.
https://www.amazon.com/dp/B0716D3P5T/
- Amazingly Crazy Bright: adopted latest Cree XP-L2 V6 LED Max output 960Lumen, and gets powerful throwing 200 meters / 218 yards
- Single 18650 Rechargeable Battery & USB charger come in Compact Package. The Tac flash light uses one 18650 rechargeable Li-ion battery or two 3V CR123A Lithium batteries which powerful battery keeps the flashlight going awhile
- Bicycle Headlight or Bike Light: 4 outdoor light levels and one hidden Strobe, while different click to get different “Strobe”. One is “4-12HZ Flash” as self defense light and the other is “Bike Blink” for cycling
- Tactical Tail-cap switch with Momentary-on Function; and silver side switch to change 4 lighting modes. Also tail-stand like a candle
- 130.8mm (5.14 in.) Length x 24mm(0.94 in.)Diameter; 77.6-gram weight (2.74 oz.). Lightweight and portable pocket torch in everyday carry / EDC
Like Sun lighting up the backyard at Night!!!
The flashlight remains in pocket size but focus on tactical usage. Cree V6 Led makes the beam powerful and wide to view the target clearly 200 meters away. To activate the high brightness in backyard, your pet thinks the sun is coming up at night! 130.8mm length and 77.6 gram makes the torch portable as a do-everything-go-anywhere light. Furthermore, tactical tail switch and side switch enable fast and simplified operation, works great in camping, cycling, hiking, night walking, emergency, law enforcement, car or bike.
Specification:
Cree XPL2-V6 3D LED with a lifespan of 100,000 hours
Waterproof IPX-8 rated, underwater 2 meter / 6.5 feet for 30 minutes
Reliable durable aluminum material with premium Type III hard-anodized
Orange Peel reflector and lens made of toughened glass with anti-reflective coating
Smart low-voltage indication, 2 blinks per second lower than 2.8 volt
Reverse polarity protection, to protect from improper battery installation
Working Voltage: 2.8-8.4V
CCT Range: 4700K-5000K
Brightness:
Level: Firefly | Low | Mid | High | Strobe
Lumens: 1 | 43 | 354 | 957 | 957
Runtime: 173h | 40:28h | 6h | 1:11h | 36min
Instant-on firefly mode and the highest setting will induce blindness, so please shine it to eyes.
Package:
A Tactical Flashlight Torch with clip
A 2800mAh 18650 battery and USB charger
Two Spare O Rings
Comment: The official listing states that it is an OP reflector. However, it is a SMO reflector.
1 x Sofirn SP31
1 x Clip (Pre-Installed)
2 x Spare O-ring
1 x Sofirn 18650 Lithium Battery
The threads were cut perfectly square and a nice touch is the anodizing on both the head and tail threads. Thanks to the smooth anodizing, the threads were buttery straight from the factory. I added my preferred lube, but it was not necessary.
Lanyard and Case
Output starts low and cycles up then back down. FF -> L -> M -> H -> M -> L -> FF
There is mode memory. The light will activate on the last used brightness.
Operation:
- To turn the light ON (MOMENTARY), partial press and hold tail switch.
- To turn the light ON, press tail switch.
- To advance modes, press side switch (FF -> L -> M -> H -> M -> L -> FF)
- To turn the light OFF, press tail switch.
Strobe / Bike Strobe (Hidden):
- To turn STROBE ON, double-click side switch (when on).
- To turn STROBE OFF, press side switch (will return to previous mode).
- To turn BIKE STROBE ON, long-press side switch (when on).
- To turn BIKE STROBE OFF, press side switch (will return to previous mode).
Comments: I like the mode rotation (which goes up then back down). The side switch UI is very intuitive and I also like that Firefly is not hidden and part of the normal mode rotation. I always like when strobe modes are hidden. Because the mode and power switches are different, it's also very easy for me to always change the mode back to Firefly before turning it off so that it always starts on the lowest mode.
Regulation
Comments:
* The user can manually step back up the power.
The positive & negative contacts are both springs.
This size light is a good 18650-sized EDC and will fit comfortably in dress pants, cargo shorts, jacket, etc. The finish looks excellent, is clean and my copy had no defects. The use of a forward-clicky in the tail is great for people who use momentary on.
The beam profile is very balanced and is well-suited for general usage. I love the very pleasant 4700K color temperature (warm neutral) and wish that more manufacturers made lights like this (I do not like cool white LEDs).