USB Wired Low Vision Magnifer KLN-RU35
    	
    	 
    	Buttons on the magnifying unit:
    	Mode button: Has 3 different settings, color, negative and positive.
    	Color -  Color images
    	Negative - This makes text appear white with a black background.
    	Positive - This makes text appear black with a white background.
    	Freeze: Freeze and D-freeze current image 
    	Wheels: The unit has 4 roller wheels to help guide the unit from left to right in a straight line. This is quite a useful feature and is not common to other similar products.
    	Power switch: On the side of the magnifying unit is the on and off switch. The switch moves backwards and forwards.
  	 
    	Product Benefits:
    	• Inexpensive for this type of video magnifier
    	• Freeze frame
    	• variable magnification (20 - 70x on a 20 inch monitor)
    	• variable viewing modes
    	
  	 
    	Points to Consider:
    	• The starting magnification level is quite large and may be too large for a number of people.
    	• If you are a quick reader, In both positive and negative modes, the text would distort. This is a common problem with units like this. Slower readers would not see this as much.
    	• On and off switch for the magnifying unit is very firm. 
    	• As with all units that are placed directly on top of the reading material, The lights on the units cause problems with shiny surfaces such as magazines and coloured brochures.
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      	Some people find it easier to guide these types of magnifiers by placing their entire hand over the unit rather than holding it with a few fingers.
    	 
    	 
    	  		  			Packing Information:
  		  			Size of Unit box:: 21cm*16cm*9cm    Gross Weight:510g     
  		  			Size of One Carton:46*50*52CM, Gorss Weitgh: 16kg.   30 units/one carton