Portable LED Reusable Medical Penlight

The nurse penlight is made of aluminium alloy and LED bulb, which make it serviceable and long life using, safe and no harm to skin and body, one-button on/close, which is easy to detach and install the penlights,the batteries were not included in the package, so you need to prepare the batteries for penlights; These penlights can be powered by 2 packs AAA batteries with keeping the positive pole direction of batteries to the pen bulbs,the design of the metal pen clip can be clamped on the pocket or notebook, the pupil penlights are delicate in shape, very lightweight, easy to carry for daily use, convenient for long-time using,can replace light bulb and flashlight to check eyes, throat and mouth, can also be applied for household appliances maintenance, lighting and outdoor camping in daily life