Features:• Ceiling mount bracket, extend the overall length.• Material: Aluminum.Technical Specifications:• Material Aluminum• Dimension ?42.0mmx780.0mm(?1.65”x30.71”)• Weight 0.65kg(1.43lb)• Load Bearing 2kg(4.41lb)• Color White• Operating Temperature -40?C ~60?C(-40?~140?)• Humidity <90% RH• Applicable Model DH-PFB220C• Accessory Selection