Escolite Reusable LED Penlight with Pupil Gauge for Medical Nurse

Tips:
It cannot be used as lighting flashlight,it is more suitable for medicine.

Package content:
2 x Diagnostic Reusable LED PENLIGHT with Pupil Gauge
4 x AAA batteries


Description:
Material: aluminum alloy.
Push-button on/off switch, easy to control.
Click and it holds,Extra bright pre-focused beam.
A 5cm-ruler on the back of the penlight.
The pre-focused pinpoint lens directly illuminates eyes, ears and throat.
Click and it holds.
Weight: 17g .