Features: Rotary- to switch-. Simple installation and labor saving. Stable and firm after installation, the inside of the clamp has protective sponge-, will not scratch the phone, suitable for most mobile phones. The depth of the phone clip is about 35mm, the deepest can accommodate the camera from the top of the phone 30mm or so-. Application: It can be clipped to any type of mobile phone, and is also suitable for printing, machinery-, engraving, horticulture, jewelry appraisal-, etc. Specifications: Material: Metal, Plastic Magnifying Ratio: 60X Battery: 3xLR1130(Included) Clip Size: Approx. 63x38mm/2.48x1.5in Microscope Size: Approx. 48x43mm/1.89x1.69in Package Includes: 1x Microscope 1x Phone Clip note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.