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| Why magnifying mirror is dangerous under the sun? | All magnifying mirror has a focusing point. When light rays is concentrated in one spot it will burn wood or paper. Becareful when you have a magnifying mirror near a window. | | How to check a magnifying mirror? | Many of the mirrors are distorted. If the refection of distance object is bended, the mirror is distorted. | | How long does the battery mirror last? | Battery will not last long but with auto off function, battery can last for a long time. | | What is auto off function? | Auto off function is a self timer, when a certain time is passed, the back lighting will be turned off. | | What if I use long hours every day, many batteries are needed? | AC adaptor can be used with the battery mirrors. Power can be supplied from main AC supply. | | Why do you use back lighting for the mirror? | You have to try it and see the difference. The image is well lit. |
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