The ZebraLight SC31 has a
Cool White Cree XP-G LED, which differs from the Neutral White of the SC31w. The SC31 is a small sized, high output flashlight with an impressive 220 lumens max output from one CR123 battery. It has three selectable modes and each mode can be configured to one of the two sub-levels. This EDC friendly light has a removable pocket clip.
Features:
Electronic soft-touch switch, with a 200,000 cycle operating life
Smart user interface provides fast and easy access to all brightness levels
Precision machined casing from premium grade Alcoa aluminum bar stock
Durable natural hard anodized finish (Type III Class I)
SCHOTT ultra clear lens with anti-reflection coatings on both sides
Orange peel textured reflector
Battery power can be locked out by slightly unscrewing the tailcap to prevent unwanted activations or parasitic drain
Waterproof to IPX8 (2 meters, 30 minutes)
Levels of Output:
High: H1 220 lumens (0.9 hrs); H2 120 lumens (2 hrs) / 4Hz Strobe
Medium: M1 43 lumens (12 hrs); M2 24 lumens (23 hrs)
Low: L1 5 lumens (3.7 days); L2 0.5 lumens (21 days)
Specifications:
LED: Cree XP-G Cool White (norminal CCT 6300K)
Beam Type: 80 degree spill beam spread; 11 degree (3.8 feet at 20 feet) hot spot
Overall Length: 2.60" (67 mm)
Diameter: 0.85" (22 mm)
Weight: 1.1 oz. (30.5 gram) with clip, without battery or headband
Uses One CR123A (Lithium) battery or (1) RCR123 Li-ion (rechargeable)
Included Accessories: One black silicone holder with headband and two o-rings.
Light outputs are out-the-front (OTF) values. Runtime tests are done using Panasonic CR123A lithium batteries. Runtimes are usually much shorter with rechargeable RCR123 (16340) batteries, especially with protected 16340s that have higher discharge cut off voltage.
Information from ZebraLight