longled USB Rechargeable Pen Light Reusable LED Pen Light for Student Doctor Nurse，Penlights

HIGH QUALITY - Our pen light is composed of high quality aluminum alloy and LED bulb, with pupil and ruler chart attached, which is convenient and practical to use. Rechargeable: The LED pen light adopts a rechargeable design, with a USB placed on the back for quick and easy charging. 2 LED LIGHT SOURCES - This pen light set contains 2 light sources, white and warm yellow; white light for inspection and yellow light for eye evaluation, a complete and rich light combination Beautiful Pen Light Tool - Beautiful and special structure can protect the LED light well, the forward and backward switch can provide 2 different LED light sources, the pen has a rechargeable battery, making the pen light ideal for everyday use EASY TO CARRY - Reusable penlights with metal clips don't slip out of pocket easily, which makes them easy to apply and carry; lightweight design is suitable for paramedics, nurses and doctors, medical students, etc.