HIFROM Original Bracket DS-1280ZJ-DM18 Junction Box Ceiling Mount Bracket for Dome IP Camera DS-2CD2132-I(2112) DS-2CD3132-I Mount Bracket Model number: DS-1280ZJ-DM18, dimension: Diameter 111 x 38 mm Usage: Junction box Structure: Ceiling mount, material: Aluminum alloy Fits for dome camera: DS-2CD2112(D)-I, DS-2CD2132F-IS,DS-2CD3112(D)-I, DS-2CD3132(D)-I HIFROM focus on provide high quality bracket