1. Unique folded design for more distribution space. 2. Itâ??s enclosed with Polyurethane foam done with Instant-formation Technology, and fixed by bolts and rubber sealing rings on the top cover to ensure that it meets IP66. 3. Interior has trunking base or mounting plate or mounting kit. 4. Quality SPCC cold rolled steel sheet, 1.2-1.5mm thickness of panels, 1.5- 2.0mm thickness of top cover. 5. There are hang holes on the back plugged with rubber plugs by default, wall mount kit for optional.