... friendly. 80% energy saving than traditional fluorescent lamp, no infrared light, without Pb, Hg harmful substance.2. Pure comfort, no ... constant current, quick starting, eyeshield4. Reasonable optical design. uniform light color, no light ring and no dark zone5. Soft starting to avoid ... effectively protect LED to use over 50,000 hours Installation Guide:If you are going to order LED T8 tubes, please ...