LED Penlight Yellow Lighting Concave Head Aluminum Alloy Pen Light with Pupil Gauge

Bright Light: Pen light adopted acrylic bulb, with bright yellow lighting and excellent light concentration, which is energy saving and to use. Pupil Scale: LED penlight engraved with a scale of 50mm in length, which can be used for daily measurement, also help with clinical examinations. Alloy : penlight tail adopted alloy push button to enable single optical cycle mode, which bring you much convenient. Item Type: Penlight with Pupil Gauge Material: Aluminum Alloy, Resin Light Color: Yellow Lighting Battery: 2 x Batteries (Not Include)