The product is provided with digital burette for a suitable titration of bottle top. Electrical outlet is not required as there is a battery of life time in the product. The fluid pathway is resist from chemical. The instrument allows the factory settings can be marked and restored easily. The dispenser in the top of the bottle can be easily used which delivers the liquids to dispense like strong acids, solvents and bases easily and reliably from the supply bottle directly. The safety valve with an anti-drip is fitted with all the models which is available to keep the product safe from drips. Increasing the reproducibility for repeat dispensing a fine mechanism of adjustment is provided. Various types of adapter are available with the product to fit different bottle sizes.