Feature: 1. [High Definition] Multi layer coating optics, shooting high definition, used for laboratory work, jewelry evaluation, art research, outdoor exploration, etc. 2. [Brightness Adjustable] Phone microscope lens with light, two level brightness adjustment, can be used after installation, no APP, simple operation, comes with CPL to eliminate reflections. 3. [F1.8 Aperture Design] Specially designed for mobile phones, F1.8 aperture design, compatible with single and dual camera mobile phones, to meet your various need. 4. [Durable Material] Made of high quality ABS and PC materials, which is light and portable, wear resistant, durable, and can be used for a long time. 5. [Widely Application] Widely used in children's biology learning and education, observation and learning of animals and plants, flowers, insects, rocks, specimens, etc., and image collection. Specification: Item Type: Mobile Phone Microscope Objective Lens Magnification: 200x Instrument Magnification: 200x Eyepiece Magnification: 10x Application: All mobile phones can be clamped (adapted) Equivalent Focus Length: Approx. 40.6mm / 1.6in Exit Pupil Diameter: Approx. 1.45mm / 0.1in Optical Distortion: <4.5% Focus Distance: Approx. 0.3mm / 0.01in Number of Lenses: 4pcs in 4 groups + CPL Magnification: 200x Lens Aperture: F1.8 Lens Coating: Multilayer Material: ABS+PC Clamping Distance: The longest 12mm, the shortest 4mm Battery: Lithium battery Battery Capacity: 120mah (Battery Included) Charging Interface: USB, Type-C interface LED Brightness: 6 LED light guides, 2 levels of brightness adjustment Light On Time: 2-4 hours, flashes when the battery is exhausted Color Temperature of Lamp Beads: 6000-6500k Switch Control: Hall sensor (magnetic control) Charging Indicator: Red light is on when charging, green light is on when fully charged Charging Time: 1 hour Weight: Approx. 70g / 2.5ozColor: Black. Package List: 1 x Microscope Lens (Battery Included)1 x USB Data Cable1 x Manual1 x Cleaning Cloth1 x Carry Bag