Junction box Material:Aluminum Dimension (W x D x H):134mm x 134mm x 55mm(5.28x5.25x2.20) Easy to install. It is suitable for indoor, outdoor wall ceiling camera. Water-proof Junction Box; Aesthetic design Suitable for Dahua CAMERA: HFW2221/2231/2401E IPC-HFW4231/4431/4830E-S, HFW3231E-Z IPC-HFW5231/5431/5830/8231/8331/81200/81230E-Z, IPC-HFW5231/5431/5830/8231/8331E-ZS, IPC-HFW5231E-Z12E HFW3802E-Z/ZH-VP, HFW3231E-Z12 TPC-BF5400/5600(-T) ITC237-PW1B-IRZ, ITC217-PW1B-IRLZ, ITC237-PW1A-IRZ