Please read description carefully.
Do not base your order on the picture presented.
Flashing Smiley Faces with long lasting lithium batteries light up yellow and blue around the face.
They can be hand held or attached with tape or magnet to any object.
Set includes two (2) Flashing Smiley Faces with 9mm magnetic disks and double sided tape for mounting.
Faces are 30 mm in diameter.
Attaches to Retinoscopes or Ophthalmoscopes.
Just twist to turn on/off.