1.energy efficient light bulb 2.E27,B22,E14,5W-65W ... control throughout the production processLow light decline, low energy lossFlicker free instant startHigh lumen output and excellent lumen ... before packing 6) QA lab testing before shipment. energy saving lampModel numberOS08058AWattage (W)3W,5W,7W,9W,11W ... , blister box , foam box Outer packing : Corrugated cartons energy efficient light bulb