【Precise Scale & 30X Magnification】This jewellery magnifier has a scale design on the bottom of the bottom for more accurate scale data. it is equipped with 3 pure white LED lights and 3 UV checker lights to provide 30x-20mm magnification. 【Easy to Operate】The first press turns on the 3 white light lamps for regular magnification observation; another press turns on the 3 UV lamps for banknote checking magnification observation; the third press turns off the lights. 【Easy to Carry】This jewellery magnifier is compact and easy to carry without taking up extra space. It fits easily into your pocket and is perfect for work scenarios where you need to make detailed observations at any time. 【High Quality Material】This portable coin magnifier magnifier is made of high quality zinc alloy material with black baking varnish on the surface, equipped with double-layer optical glass lens, sturdy, not easy to be damaged. 【USB Rechargeable】This jewellery eye loupe is USB rechargeable, supporting a wide range of charging devices, such as computers and mobile power.It is equipped with a 55mAh battery, eliminating the need for frequent battery changes.