Casing for ZK-5KX module, i believe that 5KX and the 4KX have the same dimension, they just added a fan on the 5KX version.

Materials needed

1. 2 Pcs - Banana plug connector (Black & Red)
2. 4 Pcs - M3 x 4 Heat inserts
3. 4 Pcs - M3 x 3 Screws
4. 1 Pce - DC Socket 5.5mm
5. 1 Pce - ON/OFF Switch 2P KCD101 (15mm x 21mm)
6. 50CM - Cables

I use an old laptop charger as the power supply.