Package contents: you will get 6 pieces of pen lights in different colors, enough quantity for giving your family members the nice care, and also very useful for doctors and nurses in their daily work Sturdy material: the nurse penlight is made of aluminium alloy and led bulb, which make sure it serviceable and long life using, safe and no harm to skin and body, one-button on/off, which is easy to detach and install the penlights Sturdy material: the nurse penlight is made of aluminium alloy and led bulb, which make sure it serviceable and long life using, safe and no harm to skin and body, which is easy to detach and install the penlights Easy to carry: 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 Wide applications: this LED pen light 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