Dental Binocular Magnifier Loupes model：JY-EW2 2.5X or 3.5X binocular magnifier Anti-scratch, anti-fog and anti-glare technologies ensure that your BD Loupes withstand wear and tear. weight：85g Halo Model：LF180 Our signature light clarity, paired with exceptional battery life The HALO wired headlight offers eent light clarity which lasts for up to 24 hours light intensity：450000 LED life：10000 h weight：35gstripe Loupes halo model：JY-EW2 LF180 incredibly light, loupes give you a full face field of view, perfect for the start of your career, or a range of procedures weight：120g Battery case Input voltage：AC100-240V /50-60HZ battery capacity：1800mAh weight：70g