1) It can be conveniently used due to the adoption of rotary-type switch design
2) Light source switch will not be turned on when the stretching angle of magnifier is less than 90 degrees.
3) In time of insufficient light, the magnifier can be pull outwards to angle between 90-180 degrees, at this time, the light source switch will be turned on automatically and LED light will be on
4) This magnifier can be normally used in insufficient light or dark environment
5) When the stretching angle is more than 180 degrees, LED light will be turned off and ultraviolet light will be turned on, it can be used for currency detecting etc.
6) Magnification: 45x
7) Lens diameter: 25mm
8) Use rotary switch
9) Material: plastic
10) Powered by 3 x LR1130 batteries (batteries included)