Feature: 1. EASY TO USE: Simply clip onto your cell phone lens and use. Open the original camera to shoot directly and focus quickly. Suitable for 90% of smartphones universal, easy to carry and simple to use. 2. 400X: Capable of providing 400x magnification for capturing fine details at close range. Integrated LED light source and all glass optical design, one component one set of images. Resolution up to 300 LP/MM (axis) and 200 LP/MM (edge). 3. LED LIGHT, LENS CLIP: Equipped with LED light, it can illuminate the subject and make the image clearer and brighter without dark corners. The lens clip is made of aluminum alloy, with strong clamping force and biting force. Small shape, does not occupy the position, more suitable for fashion standard. 4. BATTERY LIFE: This cell phone microscope lens has a built in 110mAh li battery, which can be charged for 20 minutes and used for 2 hours, which better meets your usage needs. 5. WIDELY USED: It can be used in a wide range of fields such as biology, electronics, geology and jewelry making, in addition to being used as a stamp and coin microscope. Specification: Item Type: Phone Microscope Lens Material: Aluminum Alloy Component: 6 Pieces, 6 Groups Magnification: 400X Deformation: -1% Nearest Focus Distance (Deformation): 0.6MM Battery: Li Battery, 110mAh (Built in). Package List: 1 x Phone Microscope Lens1 x Slide1 x Cleaning Cloth