... Pearl Cotton,and PE bag. 4.Applications- led downlight ceiling lamp 1. Factories, Hospital Lighting2. Warehouse, Supermarket Lighting3. Schools, ... and harmful materials.(3) Comfortable To UseQuickly start, no UV, IR, radiation and no flickering, eye protection.(4) ... Low power consumptionGood function of heat dissipation ,improving the lamp's lifetime.(7) Unique DesignSpecial circuit design, each group ...