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Comparison of Wuben I331 and Nitecore Thumb Leo

The side-by-side comparison of the flashlights’ specifications. The comparison table below makes it easier to choose the most fitting flashlight.

A maximum of 3 flashlights can be compared at the same time. To add or change a flashlight, type the name of the flashlight you’re looking for in the search field of the table’s column, then click on the flashlight’s name in the drop-down list of search results.

Wuben I331 (I331)
Wuben I331
Nitecore Thumb Leo (THUMBLEO)
Nitecore Thumb Leo
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Launch
2017 2017
Form
flashlight flashlight
Body
Weight
85.8 g 25 g
Length
125 mm 74 mm
Body diameter
21.5 mm  
Head diameter
26 mm 24 mm
Material
aluminium alloy with HAIII hard-anodized finish plastic
Colors
black black
System
Emitter
Cree XP-L V5 LED 1 x unspecified LED, 1 x unspecified 365nm UV LED
Color temperature
6500 K 6500 K
Reflector
SMO no
Lens
AR coated glass no
Switch
mechanical rear electronic side
Performance
Flux
520 lm 45 lm
Intensity
2500 cd 150 cd
Throw
100 m 24 m
CD/LM factor
4.81 3.33
Software
Modes
5 modes 3 modes
Mode memory
no no
Ramping mode
no no
Strobe
yes no
SOS/Beacon
yes yes
Features
Battery
1 x 14500 Li-Ion battery integrated Li-Ion battery
Battery indicator
yes yes
Charger port
microUSB microUSB
LVP
yes no
Thermal regulation
no no
Protection
IPx8 IPx8
Impact resistance
  1 m
AUX LEDs
no yes
Magnetic
no no
Specials
  UV light
adjustable head
red/blue light
Accessories
Package contents
14500 battery
2 x spare o-rings
clip
lanyard
microUSB cable
keyring
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