Preferred MaterialOur Outdoor Electrical Box Is Made Of High Quality Sturdy Abs, The 3 Way Electrical Box Is Safe To Use. It Can Play A Good Role In Moisture And Dust Resistance, And Is Very Strong And Durable. Manufacture Waterproof Junction Box Safe To Use In Sunshine, Rainy Or Snowy Days. Easy To InstallThis Waterproof Junction Box Is 110*90*46Mm In Size, External Electrical Boxes Have Large Space Internal For Cable Diameter Between 5.5-10.5Mm. (Ideal For 2.5Mm T&E Flat Cable), Very Easy To Install. Exquisite DesignOutdoor Waterproof Junction Box Has Rubber Gasket With 3 Mating Connectors And 1 Nail In Each Corner, Easy To Install. An External And Solderless Connection, No Need To Cut The Cable. With The Correct Size Rubber Sealing Ring, The Outdoor Electrical Waterproof Box Can Be Completely Sealed And Protected From Water. Main FunctionThis Outdoor Waterproof Junction Box Is Mainly Used To Connect Lighting Outdoor, 3-Way Design Makes The Weatherproof Electrical Box More Convenient. ApplicationThe Scope Of Our Weatherproof Electrical Box Has A Wide Range Of Applications, You Can Use The Weatherproof Outdoor Outlet Cover, Such As Panels Led Display Lights, Tunnel Lights, Streetscape Lights, Outdoor Displays, Patio Lights And More. Also Widely Used In Underwater And Underground Engineering, Various Industrial Areas.