RubyLux All Blue LED Bulb - Size Large – 2nd Generation - 220V for Europe & Australia near infrared bulb The eye protection requirements are

The eye protection requirements are exactly the same for both types of bulbs

Near infrared light therapy has been proven to be successful in treating many chronic conditions and post-surgical pain

21" between the pet can be worn

This bulb is approximately 4

This bulb is 120V (for the USA and Canada)

RubyLux All Blue LED Bulb - Size Large – 2nd Generation - 220V for Europe & Australia near infrared bulb The eye protection requirements are******220V for Europe & Australia***** The 2nd Generation RubyLux All Blue 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 blue light range (at 415 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.