Feature:

Red light against deteriorating eyesight

Regular "light shower" counteracts age-related retinal fatigue

Such an LED flashlight with red light of 670 nanometers wavelength can possibly counteract 

the deterioration of visual performance in old age.

Specifications:

Product name: Red light flashlight

Material: Aluminum Alloy

Color: Black

Wavelength: 665-670nm

Size: 96*28mm 

Light Color: one mode red lights

Power by: 3 x AAA battery (not included) 

Skid-proof design & waterproof design.

Package Included:

1x Red Flashlight

Note:

Please allow 1-3cm difference due to manual measurement.

Due to light and screen difference, the item's color may be slightly different from the pictures.