RubyLux All Green LED Bulb - Small - 2nd Generation 120V US & Canada red light therapy bulbs Unlike other products that require

Unlike other products that require expensive bulb replacements after only a few weeks of use that can’t be done at home

portable device that runs on a standard 9-volt battery (not included)

This Green LED is 520 nm

The neck piece adds 60 more high-quality LED’s to rejuvenate and heal the neck area

This Yellow LED is 570nm

RubyLux All Green LED Bulb - Small - 2nd Generation 120V US & Canada red light therapy bulbs Unlike other products that require******120V US and Canada Only**** With the RubyLux New 2nd Generation All Green LED Bulb, you get: More light intensity, Shorter session times with more effective results, Hands free use. The RubyLux 2nd Generation All Green LED Bulb is comprised of 5 high intensity light emitting diodes (LEDs). The bulb has 50 mW cm2. As with other RubyLux bulbs, this device is designed to fit into standard US lamps or light fixtures, which makes it a convenient,