The ZebraLight SC51w has a Neutral White
Cree XP-G LED, which differs from the Cool White of the SC51. The SC51w is a pocket sized high output flashlight with an impressive 172 lumens max output from one AA 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.
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 unibody casing from premium grade Alcoa aluminum bar stock
Proprietary heat sinking design bonds the LED board directly to the unibody aluminum casing, providing unblocked thermal paths to over 94% of the surface area.
Durable natural hard anodized finish (Type III Class I)
Ultra clear lens with anti-reflection coatings on both sides
Bezel down clip (pre-installed)
Can be used as a headlamp with the included headband
Orange peel textured reflector
Anti-roll and tail-standing capable
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 172 lumens (0.9 hrs); H2 86 lumens (2.4 hrs) / 4Hz Strobe
Medium: M1 26 lumens (10.5 hrs); M2 7 lumens (26 hrs)
Low: L1 2.2 lumens (3 days); L2 0.18 lumens (16 days)
LED: Cree XP-G Neutral White (color temperature 4200K)
Beam Type: 80 degree spill beam spread; 11 degree (3.8 feet at 20 feet) hot spot
Overall Length: 3.15" (80 mm)
Diameter: 0.85" (22 mm)
Weight: 1.3 oz. (36.5 gram) with clip, without battery or headband
Uses One 1.5V AA battery (NiMH, lithium or alkaline), 14500 Li-ion batteries are not supported
Included Accessories: Two o-rings.
Light output are out the front (OTF) values. Runtime tests are done using Sanyo 2000mAh Eneloop AA batteries. The 200, 140, 30, 8 and 2.5 Lumen output levels are current regulated. The 100 and 0.2 Lumen output levels are PWM generated.
Information from ZebraLight