1.led panel light 50000 hrs lifespan 2.led panel light Power saving highly 3.input voltage 100- ... to 50%, and with high brightness and even light-emission.2. 50000 hrs life span.3. Support wide voltage input, AC85 ... installation way. Applications:1.Offices,conference rooms,meeting rooms,factories.2.Residential lighting like living rooms,bedrooms etc.3.Commercial lighting ...