100DMHP5 Double Head Adjustable Flow Pump - 100 PSI 6 GPD 120 Volt - 1/4 Inch UV Tubing sign-type_Aluminum there is a computer chip

there is a computer chip inside the cleaner providing constant communication to ensure that the cleaner is following an optimum calculated cleaning path

The lettering is 2 inch and 1 inch

You can add the Free Chlorine PPM sensor for Free Chlorine (separate purchase)

This swimming pool and facility pool sign is designed for harsh swimming pool and outdoor environments

100DMHP5 Double Head Adjustable Flow Pump - 100 PSI 6 GPD 120 Volt - 1/4 Inch UV Tubing sign-type_Aluminum there is a computer chipThis Stenner chemical pump #100JH1A2STAA provides reliable chemical feeding for your swimming pool. This adjustable flow pump is rated to pump 6 gallons of chemicals per day at 100 PSI. This stenner pump is a great choice for all your chemical needs.