Carson eFlex 75x/300x Effective Magnification (Based on a 21″ monitor) LED Lighted USB Digital Microscope with Flexible Stand and Base (MM-840) Price: $39.99 (as of 16/11/2020 04:47 PST- Details)

Powerful USB Digital Microscope with 75x/300x Effective Magnification (Based on a 21” monitor)| Contains Adjustable LED Lighting Knob and Focus Knob | USB 2.0 or 3.0 Port Required
The included flexible neck stand with suction cup adapter attaches to any smooth surface or the included graduated base with ease | Microscope Dimensions: 1.25 inch (L) x 1.1 inch (W) x 3.45 inch (H)
Capture an image or close-focus video with the click of a button | No batteries required