Ultra-Light Pupil Gauge Penlight
The best tool for the job is one that performs reliably, making the work as hassle-free as possible. The Ultra-Light Pupil Gauge Penlight by EMI does just that. It works wonderfully in its primary function as a simple penlight, but extra touches like a pocket clip and the pupil gauge printed along the side elevate this tool beyond the ordinary. The on/off switch is conveniently located in the tail of the pen and operates like a ball-point pen.
Specifications and Features:
Pupil gauge helps accurately measure dilation
Tail-cap switch allows for instant light activation
Clip attaches pen securely to pocket
Power Source: 2x AAA batteries
Dimensions (Length x Diameter): 5 x .5 inches