I do now!

QYT KT-8900D Dual Band Mini 25w Radio, Amazon - https://www.amazon.com/dp/B08X42Z2H7?ref=ppx_pop_mob_ap_share

50 Cal. Ammo Can, Harbor Freight - https://www.harborfreight.com/050-caliber-ammo-box-57766.html

12v20ah SLA Deep Cycle Battery, Amazon - https://www.amazon.com/dp/B01LMIH0TC?ref=ppx_pop_mob_ap_share

SO239 2-Foot Antenna Jumper, Amazon - https://www.amazon.com/dp/B07H56XRFP?ref=ppx_pop_mob_ap_share

Power Distribution Board, Amazon - https://www.amazon.com/dp/B07CLY5N9T?ref=ppx_pop_mob_ap_share

12v USB Socket, Amazon - https://www.amazon.com/dp/B08DD4BH6G?ref=ppx_pop_mob_ap_share

SAE Battery Cable, Amazon - https://www.amazon.com/dp/B003WDDLTO?ref=ppx_pop_mob_ap_share

5 Switch Panel, Amazon - https://www.amazon.com/dp/B08JQJQSGT?ref=ppx_pop_mob_ap_share

SO239 Coax Panel, Amazon - https://www.amazon.com/dp/B00CX01IYM?ref=ppx_pop_mob_ap_share

SAE Female Plate Panels, Amazon - https://www.amazon.com/dp/B07WCMX24L?ref=ppx_pop_mob_ap_share

90 Degree SO239 Connector, Amazon - https://www.amazon.com/dp/B01FORSNXO?ref=ppx_pop_mob_ap_share

Mini Voltmeter, Amazon (Not the exact one I got, but close enough) - https://www.amazon.com/dp/B00YALUXH0/ref=cm_sw_r_cp_apa_glt_fabc_Q4JRX5YTR0ZV5C5S4BT1

Some Spare SAE Connectors, Should You Need Them, Amazon - https://www.amazon.com/dp/B08DF97WGL?ref=ppx_pop_mob_ap_share

OEM Connectors With Polarity Reversers, Amazon - https://www.amazon.com/dp/B07C8D37L3?ref=ppx_pop_mob_ap_share

Are you sure the entire thing isn't DIY, not just the case? That display looks like a common standalone panel-mount voltmeter you can get off Amazon, and the board appears to be one of the standard prototype board sizes.