Product Review

Features:
-Crafted from durable polycarbonate and aero-grade aluminum alloy with a hard-anodized finish
-Comfortable, chafe-free nylon headband adjust to almost any head size
-Remarkably wide 100° beam angle for more even illumination
-Head able to rotate vertically 180° for a wider range of lighting angles
-Features three special tactical outputs:
-Strobe Mode: Can be used as a signal or to disorient a target
-S.O.S. Mode: Used to signal for aid in emergency situations
-Location Beacon: Marks your current position with an efficient flash
-Easy-to-use single switch interface allows for easy one-hand operation
-Memory function saves last used brightness level
-Internally rechargeable (when equipped with one 18650 battery) via micro-USB port
-Power indicator displays inserted battery's voltage (accurate to 0.1V)
-Reverse polarity protect prevents damage caused by improperly inserted batteries
-Advanced Temperature Regulation (ATR) technology limits chances of overheating

Specifications:
LED: CREE XM-L2 (U2) LED
Power Source: 1 x 18650 (Included) OR 2 x CR123A
IPX Rating: IPX-8 (Waterproof and submersible up to 2 meters)
Impact Resistance: 1.5 meters
Brightness Outputs (Using 1 x 18650):
Turbo - 1000 Lumens
High - 420 Lumens
Medium - 210 Lumens
Low - 38 Lumens
Ultralow - 1 Lumen

Dimensions:
Length - 3.11" (79 mm)
Body Diameter - 1.06" (26.9 mm)
Weight: 3.47 oz. (98.4 g) (Excluding Battery)

Included Accessories:
1 x NL189 18650 Li-Ion Battery
1 x Micro-USB Charging Cable
1 x Spare O-Ring
1 x EdisonBright USB powered reading light