An original design with a large LCD screen. Just add water to the body of the watch and it will produce enough energy to work and indicate the time, date, temperature and perform the
alarm function (alarm clock). The color can be transparent gray or transparent green, depending on the manufacturer.
NOTE: For the good functioning of the appliance, always use distilled water, bottled, in osmosis or filtered system if they have it. Lime and chlorine cause connections to break down. We advise you to clean the appliance every 6 months with a mixture of water and vinegar to clean the connections