Nitecore 830 Lumens Flashlight - EF1

Manufacturer: Nitecore
LED: CREE XM-L2 U3
Battery Run Time (18650): High (830 lumens/1hr45min), Mid (320 lumens/3hr), Low (4 lumens/50hr)
Battery Run Time (CR123): High (830 lumens/1hr30min), Mid (320 lumens/2hr45min), Low (4 lumens/60hr)
Battery types supported: 1 x 18650 or 2 x CR123
Distance: 295 yards / 270 meters
Intensity: 18300 cd
Length: 5.99 inches (152.2 mm)
Head Diameter: 1.57 inches (40 mm)
Weight: 8.82 Oz (250 g) (without battery)
Waterproof: in accordance to IP54
Impact resistance: 1.5 meters

Pros:

• For hazardous work such as land and marine petroleum exploitation and chemical industries.
• Sliding control switch providing rapid and accurate one-hand brightness adjustment
• Designed for hazardous industries including land and marine petroleum exploitation, petrochemical, and chemical industries
• Constructed from aerospace grade aluminum alloy with 3mm body thickness
• 10mm epoxy resin explosion-suppressive optical lens
• Type II non-mine explosion proof electrical appliance
• Class D explosion suppressive light
• IIC explosion-proof grade
• Allowing highest surface temperature of 100 degrees Celsius (T5 standard)
• Featuring Advanced Temperature Regulation technology to adjust output performance according to body temperature
• High-efficiency regulation circuit provides unwavering output
• HAIII military grade hard-anodized
• Tail stand capability

Cons:

• Compatible batteries are CR123A and 18650

Comments:  The EF1 is a certified flashlight that can be safely operated in the presence of class 1 group A (Acetylene), B (hydrogen), C (Ethylene) and D (Propane) gases, making it a perfect companion for hazardous work like in chemical industries.  It is as easy to use with no complex UI or awkwardly placed buttons so you can switch to different modes or brightness using just one finger.  The CREE XM-L2 U3 will equally surprise with an incredibly scorching 830 lumens beam brightly illuminating dark surroundings.