Features: brand new and high quality Anti-slip: The bottom is equipped with anti-slip foot pads to ensure that the housing is stable and not easy to move. Durable: durable metal material, waterproof, non-flammable, durable and wear-resistant. External Size: 170x130x80mm/6.7"x5.1"x3.1"(LxWxH). Installation method: surface installation, underground electrical enclosure switch junction box. Uses: Widely use in electronic project, protect power from water, touching accidentally. Specifications: Product Name : Junction Box Mounted Type : Surface Mounted Material : Metal, Plastic Color : Blue, White External Size : 170 x 130 x 80mm/6.7" x 5.1" x 3.1"(LxWxH) Internal Size : 160 x 120 x 70mm/ 6.3" x 4.7" x 2.7"(LxWxH) Quantity: 1 Pc Package Includes: 1x Junction Box(Without Screws) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.