... 4)Simple Installation 5)3-year warranty Ceiling Board,Ceiling Light,Ceiling LampParameters:ModelRT-HBPL-36-10WRT-HBPL-36 ... Alloy+Optical PMMAGuaranty2-year WarrantyBeam Angle120°CertificatesCE & RoHSInstallationIn Ceiling and Pendant Applications:Office, Warehouse, Supermarket, Factory, ... cable, easy maintenance and strong connection;5.Ceiling and Pendant Installation Optional; Easy installation;6. ...