Nitecore Thumb Leo (2017) review
The Nitecore Thumb Leo (THUMBLEO) released in 2017. It uses 1 x unspecified LED, 1 x unspecified 365nm UV LED, no reflector and integrated Li-Ion battery. The powerful emitter in this flashlight provides up to 45 lm output, 150 cd intensity, and a beam distance of 24 m.
This light has 3 modes of lighting. This light does not have memory function. The Thumb Leo flashlight is rechargeable easily via USB port.
Table of contents:
Nitecore Thumb Leo (THUMBLEO) specifications
| Brand | Nitecore |
|---|---|
| Name | Thumb Leo |
| Type | THUMBLEO |
| Rating | |
| Launch | 2017 |
| Form | flashlight |
Body
| Weight | 25 g |
|---|---|
| Length | 74 mm |
| Head diameter | 24 mm |
| Material | plastic |
| Colors | black |
System
| Emitter | 1 x unspecified LED, 1 x unspecified 365nm UV LED |
|---|---|
| Color temperature | 6500 K |
| Reflector | no |
| Lens | no |
| Switch | electronic side |
Performance
The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam. Well-focused spot beams can be over 100 cd/lm, tactical flashlights are typically between 20-100 cd/lm, and work lights are less than 10 cd/lm.
| Flux | 45 lm |
|---|---|
| Intensity | 150 cd |
| Throw | 24 m |
| CD/LM factor | 3.33 |
Software
It has the SOS beacon function for an emergency situation. The SOS flashes Morse code so you can signal for help when needed.
| Modes | 3 modes |
|---|---|
| Mode memory | no |
| Ramping mode | no |
| Strobe | no |
| SOS/Beacon | yes |
Features
The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight can charge the battery with an integrated charger, and it works with any USB power source. A protected battery is recommended as the light itself does not have low voltage protection (LVP). This light does not have temperature control feature. It has auxiliary LEDs which make it really nice looking.
| Battery | integrated Li-Ion battery |
|---|---|
| Battery indicator | yes |
| Charger port | microUSB |
| LVP | no |
| Thermal regulation | no |
| Protection | IPx8 |
| Impact resistance | 1 m |
| AUX LEDs | yes |
| Magnetic | no |
| Specials | UV light adjustable head red/blue light |
Accessories
| Package contents | keyring |
|---|
The performance of the Nitecore Thumb Leo flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.
The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Nitecore Thumb Leo, then don’t hesite and signal the problem to us.
Nitecore Thumb Leo (THUMBLEO) pictures
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