LIGHTING MADE MORE CONVENIENT: With this head light lamp, you no longer need to constantly adjust overhead lights or your body posture just to see inside. Moreover, the precise and focused 3W LED light ensures you have a clear view at any time HIGH QUALITY BATTERY, LONG SERVICE LIFE: Equipped with premium rechargeable lithium batteries, providing a life of over two years and superlative (sustaining full brightness for up to 2.5h), ensuring consistent brightness even with prolonged use WEAR: while employing ergonomic design to cleverly distribute the load evenly across the entire eyeglass frame, thereby reducing concentrated pressure on of the nose ONE-STEP OPERATION: A light press of the adjustment button allows you to effortlessly switch between 4 brightness levels, reducing the time spent adjusting the light. Additionally, the included light-curing prevention filter can be easily toggled with a single finger, giving you the flexibility to decide whether to use it based on different situations WIDE COMPATIBILITY: The head light lamp can be quickly installed via a universal clip, making it compatible with nearly all safety glasses and magnifiers Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC110V Colour:Black Material:plastic Package Contents: 1 x LED head light lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.