Red Light Therapy Device for Pain Relief, Joint and Muscle Pain Reliever, Infrared Light with 650nm and 808nm Wavelength for Home Use
Brand: PROALLER
Color: Black
Weight lbs: 0.3 lb

Operating voltage: 3.6 V

Input voltage of power: 100-240 V

Power source use: 18650 lithium battery
Buy with Confidence: Lifetime return warranty plus easy-to-reach customer service provide the highest customer satisfaction. Amazon only takes a month after purchase to accept the return item. So please try to contact the seller.
Easy to Use & Ergonomic Design: weighs only 0.3lb, portable and rechargeable for continuous use of up to 5 hours, user-friendly guide included. One press to turn on, press again to start treatment. Twice-Press protection set to avoid accidentally emitting; streamlined design with anti-slip strip, make it much more convenient for you to hold it while using.
Difference Between 650nm and 808nm: 660 nm is readily absorbed by skin tissue. Near infrared light at 850 nm is invisible to the human eye and penetrates deeper into tissue.
Easy & Safe, which is a perfect gift for your parents and friends. Use this for 15 minutes twice or three times each day to helping relieving the pain.
4 Timers & 3 Powers