This listing is a mounting kit of power supply housing. 100% Installation Precautions: 1. Please read this document carefully before installation. If you have any questions, please contact us. 2. The shell is made of cold-roll steel sheets. Please be careful in case that it is scratched by objects or by direct sunlight and humid environment. 3. Please connect the anode and the cathode correctly to prevent short circuit in assembly. 4. Do not connect the circuit while the power is on. 5. Try to avoid shaking and falling Note: There is no open for communication interface on housing , it need you add a open on the housing , if you can't do this , please don't buy this housing for communication version It's DIY kits, needs to finish by yourself. Color: Black Material: Cold Rolled Steel Plate Package Contents: 1 set * sheet metal enclosure kits (including power boards) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.