Specifications: Condition: New and Quality. Frame Color: Black. Material: PC plastic frames + PC Refractive Lenses. Strength Options: (Myopia: 100-150-200-250-300-350-400 Degrees ) 100: +1.00 150:+1.50 200: +2.00 250: +2.50 300: +3.00 350: +3.50 400: +4.00 The following table shows how the power of lens changes with age(only for reference, depend on your eye healthy conditions) 40 - 44 years old: +1.00 to +1.50 45 - 49 years old: +1.50 to +2.00 50 - 54 years old: +2.00 to +2.50 55 - 59 years old: +3.00 to +3.50 60 - 65 years old: +3.50 to +4.00 Battery Type: Lithium battery, CR927, 4V. Battery Life: 90-120 Days( base on used 1 hours every day) Package Included: 1x LED glasses. Reading Glasses with Lights and Magnifier Reading Glasses with Lights in The Frame Bright Led Readers Magnifying Glasses with Light for Men Women Led Reading Glasses,led glasses,magnifying glasses with light,magnifying glasses,magnifying glass for reading,reading glasses with light,reading glasses with lights,glasses with lights,magnifier glasses with light,glasses light,lighted reading glasses,light glasses,magnify glasses with light,magnifying glass with light,magnifying glasses with lights,readers with lights built in,magnifying glass with light for reading.