1. It is designed to prevent the penetration of rain or dust perfectly double as roof is protruded from top and bottom of the base.
2. It is easy to separate cover and base so that user can attach of detach them for processing and printing.
3. It is possible to reduce Product price and assembly cost from integrated cover and transparent window.
4. Insert hinge into the product and hinge connecting pin and important parts of draw latch are made of stainless steel so that it is very strong and corrosion resistant.