Nitecore TUBE RL 45 lumen USB rechargeable Red light for map reading etc with EdisonBright USB powered flexible reading light bundle

Nitecore TUBE RL compact and light weight USB rechargeable 13 Lumens of RED light illumination. Human eyes are more receptive to red light, it keep the pupils dilated and there fore excels in retaining optimum night vision. The TUBE RL is ideal for telescope/astronomy, night wildlife observation, and night photography. In addition, red light consumers only a fraction of energy in relation to white light, this effectively reduces battery consumption. Red light possesses the longest wavelength among all visible light sources, minimizing the effect of Rayleigh scattering, easily penetrates through fog and sends out distress signal even in the mist.

Features
- Lightweight and handy design
- Featuring high power LED
- Red light source output up to 13 lumens
- Integrated intelligent Li-ion battery charging circuit (micro-USB charging port)
- Built-in rechargeable Li-ion battery provides runtime up to 1 hour
- Single switch offers easy one-handed operation
- Constructed from durable Polycarbonate materials
- Dual metal key ring connector withstands up to 77lbs weight(35 kg)
- Impact resistant to 1.5 meters
- Lockout/Unlock Press and hold the switch for three seconds. The Tube RL will lock out after a flash of the LED to avoid accidental activation. To unlock, press and hold the switch for three seconds again

Specification
- Dimensions: 2.22? x 0.83? x 0.31? (56.5mm x 21mm x 8mm)
- Weight: 0.32oz (9 gram)(with battery)

Includes,
- EdisonBright USB powered flexible reading light.

• 13 Lumens max output of RED Light with 100 degrees wide angel illumination
• Ideal light source for telescope, astronomy, wildlife observations & night photography.
• USB rechargeable; with built-in Li-ion rechargeable battery.
• Outer casing made from same materials used in making CD, hamlets & riot shiedls.
• Bundled with EdisonBright USB powered flexible reading light.