Specification: - Diameter:30mm - Material:2/3 frosted or clear PC cover + 1/3 AL heat sink, metal PCB - Light Source:Top SMD LEDs , 40,000hrs life - Voltage:85~125V or 180~240VAC - Work Frequency:50/60Hz - Beam Angle:170deg - CRI:6500k 80 ; 3500k 70 - Listings:CE, RoHS - Working Temp:-20~+50 - Storage Temp:-30+60 - Working Humidity:30%~85% - Storage Humidity:10%~90% - Indoor use only, IP54 . Application: Factory, office, bank, hospital, market, subway, school, ground floor etc. The whole demands economize on energy with high show color lighting. one piece of LED tube,one plastic package,20piece,1 carton.