Features: Brand new and high quality. Well-made: Heavy-duty extruded aluminum construction with a professional sandblasted/matte anodized finish. Built-in grooves/slots are designed to hold circuit boards or PCBs. Excellent electromagnetic shielding performance and great heat dissipation. Application: Ideal for electronic projects such as switch/converter boxes, power supplies, audio amplifier projects, ham radio projects, etc. Aluminum Advantages: Good corrosion resistance, heat transfer, high mechanical strength, strong and durable, making it safer to use electricity in harsh environments. Specifications: Color: Silver, Black (optional) Standard: IP67 Enclosure Material: Aluminum Size: approx. 150x105x55 mm/5.91x4.13x2.17 inches This enclosure is waterproof and dustproof, making it suitable for outdoor working environments. Package includes: 1 x Aluminum Box with Screws