This product has been discontinued by the manufacturer. Please contact us for the closest replacement - 1.DPC1+ Meter (battery pre-installed)2.pH buffer solution: pH4.00/7.00, 30mL, one for each3.Standard Cond solution: 30mL: 1413µS/12.88mS/cm one for each4.3mol KCl pH/ORP soaking solution, 10mL, 1 bottle5.Sample Vials:4pcs6.Lanyard: 1pc7.Hard carrying case: 1pc