power supply box

Power supply box.
Inner circuits and components are:
https://www.aliexpress.com/item/DC-CC-9A-300W-Step-Down-Buck-Converter-5-40V-To-1-2-35V-Power-module/32448126827.html?spm=a2g0s.9042311.0.0.wsS6kj

https://www.aliexpress.com/item/DC-100V-10A-Voltmeter-Ammeter-Blue-Red-LED-Amp-Dual-Digital-Volt-Meter-Gauge/32284443493.html?spm=a2g0s.9042311.0.0.wsS6kj

https://www.aliexpress.com/item/AC-Converter-110V-220V-DC-36-V-MAX-6-5A-180W-Regulated-Transformer-Power-Driver/32778104968.html?spm=a2g