Designed to be used with the complete line of Mic-Fi / Visio-tek digital microscopes
Up and down knobs are used to adjust the distance between microscope and object. With the removable X&Y crossed, you can slightly adjust the position of the object by rotating the knobs.
You can turn on and off the LED backlight source thorough the brightness control knob to enhance the object clarity.
Power: 4 AA Batteries or USB