Premium Material This DIY Project Protection Case is made from high-quality aluminum alloy, delivering durability and long service life. Approximate size (L x W x H) 40 x 110 x 100 mm (1.57 x 4.33 x 3.94 in) Aluminum cooling box Features efficient heat distribution; aluminum construction helps dissipate heat and protect the internal printed circuit board. Mounting and design yourself Mounting and designing yourself; suitable for DIY Junction Box, Electronic Project Protection Case. Applications DIY Aluminum Box for electronic products, printed circuit boards, cable aluminum boxes, anti Thunder aluminum Bark, etc. Key benefits - Durable aluminum alloy construction provides solid protection for electronics. - Efficient heat dissipation helps prevent overheating of internal PCBs. - Lightweight and easy to machine or customize for your project. - Flexible for mounting and designing your own enclosure. Use scenarios - Enclose a small PCB-based controller or sensor network for a DIY project. - House a compact power supply or regulator assembly with connectors. - Protect cable management or a junction box for a custom electronic system.