1,binocular eyepieces 2, very light in LED lamp, 3, 10x.16x available, 4,two rechargeable batteries.5,different ... color filter . Portable Slit lamp·SpecificationTotal magnification: eyepiece:10×,16. Objective:1×,10×,16×compensation ... °Illumination: White LEDLYL-S PACKAGESL-3000 OTHER DESIGN PORTABLE SLIT LAMP Portable Slit lamp microscope LYL-S/SL3000