1U LED Lightbar by Trionic Industries.
1U LED Lightbar by Trionic Industries has switchable White and Red fully dimmable LED’s, built into a retractable frame that sits flush with your rack, or pulls out over 4″ from the face, and can articulate inward or outward 360 degrees. Explorer Sound Cart requires accessory SC-EXP1U or SC-EXP2U or SC-EXP3U. MiniCart requires accessory SC-1URAD or SC-2URAD or SC-3URAD.
Available from https://trionicindustries.com/collections/film-production/products/1ru-cart-led-lightbar