Packaging & Delivery: 1.Delivery time: 5-7days. 2.Standard packing quantity: 10W-45pcs/ctn ,30W-16pcs/ctn,50W-12pcs/ctn. 3.Shipping method: Courier(DHL,FedEx,UPS etc), air freight ,ocean. Specifications: Power (W) : 168W Dimension: 700*346*120mm Inpute voltage(V): 85~265V AC Ra (CRI) : ≥75 Color temp.(CCT): 2800-7500K Power factor : ≥0.95 Power efficiency： ≥85% Frequency (Hz) : 47 to 63Hz Light decay: ＜3% within 3000Hrs Lifespan(Hrs) : ≥35,000H Humidity range: 5 to 95％ R.H. Work temp.： -20～+55℃ Store temp.: -40～+85℃ Ip grade： IP65 Warranty: 2 years Certification: CE FCC RoHS Scope of application： Widely used in hotel,conference room,factory,office,school,hospital,mall and so on.