Scope of supply: pH/ion and oxygen meter, electrode stand, refillable pH/ATC electrode with epoxy shaft (8157BNUMD), optical DO/ATC electrode with calibration sleeve, guard and optical cap (087010MD), pH buffers 4, 7, 10 and rinse solution (pouches), storage and cleaning solution for pH electrode, pH electrode storage sleeve and base, USB flash drive, PC cable, universal power supply with plug adapter EU, UK, US, AUS and China