【Exquisite material】: The junction box waterproof is made of high-quality ABS material, which is not easy to break, not easy to corrode, rust-resistant, strong, waterproof and dustproof, durable for long time use, and can maintain good performance in harsh environments. 【Package Includes】Package includes 4 pcs black electronics project boxes, in the size of 6.5*5.8*3.5cm This project box electronics is insulated, dust-proof and UV-proof, suitable for dry environments and humid environments. 【Detailed dimensions】: The external dimensions are 6.5*5.8*3.5cmPlease refer to the image for detailed dimensions, which shows the exact internal dimensions of the product. (Allowable error: ±2mm). 【Practical design】: The project boxes for electronics are designed with fixed ear holes for convenient placement of devices and easy installation. Provides a quick and easy way to service and extend power cords. Suitable for indoor or outdoor use. 【Wide range of applications】: Suitable for electronic projects, power supply units, temperature control boxes, junction boxes, instrument casings, electronic product casings, thermostats and other products, also suitable for protecting coils or power boards, transformers, sockets, etc.