Two electronic tracing light boards by DBMIER and GLiME

Two electronic tracing light boards designed for tracing, drawing, and viewing transparencies. The first unit, marked DBMIER, is a horizontal model with a black frame and an integrated centimetre ruler scale along the top and left margins. The second unit, marked GLiME, is a vertical model featuring a textured light-diffusing surface and two metal binder clips at the top. Both items are thin-profile electronic devices with attached black USB power cables.
DBMIER internal scale: 31 cm x 21 cm.