RubyLux All Red LED Bulb - Size Large – 2nd Generation - 120V for US & Canada red light therapy lamp ****120V is ONLY for Use

****120V is ONLY for Use in US

Its circular treatment areas are 15-20 inches in diameter

People with very sensitive skin (like those with rosacea) sometimes prefer it because they believe it works better for them

The Grade B have minor irregularities (usually imperfections in the red tint that is baked into the glass of the bulb)

RubyLux All Red LED Bulb - Size Large – 2nd Generation - 120V for US & Canada red light therapy lamp ****120V is ONLY for UseThe 2nd Generation RubyLux All Red LED Bulb (size large) is comprised of 18 premium intensity light emitting diodes (LEDs). This bulb is approximately 4. 25 inches in diameter. Its top quality, ultra bright LEDs are in the red light range (at 660 nm). The large LED bulb requires 18W to operate. What makes the RubyLux unique is that it is engineered as a bulb to screw into virtually any US lamp or light socket. RubyLux All Red LED Bulb is the best