Thank you for viewing! This product is for installing your speakers, surveillance cameras, and projectors on ceiling duct rails and lighting rails. By attaching it to devices with a 1/4 inch screw hole (tripod screw hole) (within 2kg), you can easily install it without any tools. It has a ball at the tip, and you can adjust the angle 360 degrees by loosening the screw, making it ideal for projector installation. It's a convenient power outlet set, so you can secure power and use it immediately. 〈Product Contents〉 ・Duct rail mounting fixer body × 1 ・Duct rail power outlet adapter × 1 ・Instruction manual ▲Caution▲ Please confirm that the connecting device has a 1/4 inch screw hole before purchasing. Condition New, unused If you have any questions, please feel free to contact us. We have set a very affordable price. You can buy it immediately. Please consider it. #DuctRail #LightingRail #LightingEquipment #Lighting #Interior #DIY #RoomMakeover #CeilingPlug #NewLife #RentalInterior #EasyInstallation #ConvenientGoods #NoElectricalWorkRequired #ProjectorInstallation #ProjectorMount #Mount #CeilingMount #MountBracket #360Degrees #Rotation #AngleAdjustment #1/4InchScrew #CameraScrew #WeightCapacity5kg #Attachment #Holder #MetalFittings #SpeakerInstallation #ProjectorInstallation #SurveillanceCamera #SecurityCamera #Camera #HomeTheater #Audio #SmartHome #Gadget #SpaceUtilization #BOSESOUNDLINKREVOLVE #SONYSRSXB501G #AmazonEcho #AnkerNebulaVegaPortable #XGIMIMOGO #MOGOPRO #Tapo