... should look like these.Battery Installation:1.Use a Phillips screwdriver to unscrew the Motorized ... papers which are not in A4 sizes, use an electronic scale(graduation 0.1 g)(not include ... ,temperature and venttilation environments.For example, in an indoor room without sunlight or ventilation, it ... Information:*Batteries should always be replaced by an adult.*Non-rechargeable batteries are not to ...