Name: microscope lens
Equivalent focal length: 40.6mm
Exit pupil diameter: 1.45mm
Optical distortion: <5.3%
Focus distance: 0.3mm defined from the shape of the product, (the shooting distance is 0.3mm from the outer surface of the product)
Number of lenses: 4 elements in 4 groups
Magnification: 200x (The ratio of the display size of the mobile phone to the actual size is about 13X)
Coating: Multilayer
Lens material: aluminum
Shell + clip material: ABS+PC
Clamping distance: about 38mm from the edge of the phone
Output parameters: 5V 1A
Battery capacity: 401012-3.7V-120mah
Working temperature: -20℃-50℃
Charging interface: usb type-c
Brightness: 6 LED light guides, two levels of brightness, long press to switch the light, short press to adjust the brightness
Light on time: 70~90 minutes
Color temperature: 6000~6500k
Switch control: electric shock switch
Charging indicator: red light is on when charging, green light is on when fully charged
Charging time: about 90 minutes
Packing list:
1 x microscope lens
1 x USB data cable
1 x manual
1 x cleaning cloth
1 x box
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.