[Product Information]

• Includes UVB only available in noon summer sun.
• Tempered Glass Timer has easy touch-screen LED indicators with manual off switch
• Most Powerful and Convenient Design
• UVB middle bands cover 298， 300， 311， 312 nm UV outputs with strong germicidal benefits
• Provides UVB not found in winter sunlight in extreme latitudes， glass-filtered summer sun， or from tanning， mood， blacklight， plant， daylight， and "full spectrum" lamps. Safety and operating instructions included， warning: symptoms result after 24 hours from exposure. Follow first-use MED procedure included. 7-Dehydrocholesterol is the precursor of vitamin D3. 7-Dehydrocholesterol undergoes an electrocyclic reaction as a result of UVB radiation， resulting through a conrotatory pathway