A Verilux Best Seller, the HappyLight Liberty energy lamp provides safe, comfortable natural spectrum light therapy in a compact solution.;5,000 Lux moderate UV filtered output for extended daily use in your home, desk or dorm to boost mood, alertness or combat fatigue.;Compact, weighs only 1.5 lbs., perfect for small spaces and on-the-go portability.;Durable, long lasting, and safety tested to the highest standards of compliance.;Backed by Verilux's reputation for customer service, Verilux is the originator of the HappyLight.