Display case with no lights?

I have this display case that I've had for a few years. It has no lights, which doesn't bother me, but is that normal? Obviously I'm not using it to display Oakley's, I hope I'm not breaking any unwritten rule.

Howard Miller Jaime Corner Curio Cabinet 680-609 Black Satin Finish Home Decor, Four Adjustable Glass Shelves, Five Level Display Case, No-Reach Halogen Light - Creative Clock - Shop online for Digital Clocks

Displays2go 60 Glass Display Case, LED Side Lights, Lockable Sliding Door - Black (IAPCT60LED)

Diorama - eurekapedia

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16 feet long containing (600 LED lights) --- less than 1/2 wide and thin as a 50 cent piece (very LOW profile) and easily hidden. 16 feet HID WHITE

LED Museum Quality Showcase / Display Case LIGHTING (600 lights total) NO UV

Open all 4 sides. No glass on front, back or sides., The TW2 is an open transportable tower display case. Top and bottom cabinet with side frame poles

26W x 73H Open Display Case, Standard Laminate, LED Lights

Display Glass Cases. Case 1. 20x20x75 (Has lights). Case 2. 36x14x73 - business/commercial - by owner - sale

GL600 Rectangular Wall Display Case

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Front opening showcase - 70 black no light 38h x 20d

Have both my cases with lights finally setup. DETOLF if you're wondering. : r/minipainting