... saving,no pollution and long lifespan features,50000h life time led lamp tube function:1.Type:DL501-T5-M168-SMD35282. ... .Color temperature:3000K-3500K,4000K-4500K,5500K-6500K5.LED quantity:168pcs6.LED:SMD35287.Light angle:120°8.Luminous flux: 800lm9.Life time ... 18cm,20pcs/ctn,10KG Application:1.Instead of the indoor ceiling light2.School,University,Hostipal3.Conference,meeting room,showroom4.Commercial ...