... t8 tube with high illuminated efficiency ,use aluminium shell as the light material ,easily cooling2.No RF interference, NO Bluzzing ... fibreboard or alumium PCB CE/ROHS/FCC/PSE/Certification led light fixturesApplications:1. Living room, bedroom, kitchen, washroom;2 ... , office,production line.Electrical characteristics :1.Power supply:light-couple in-isolated power supply2.Voltage:AC110 or 220V3. ...