Digital instrument testo 570s with 4-way valve block, 1 testo 552i vacuum probe with Bluetooth, 2 testo 115i temperature clip probes with Bluetooth, hose set 3x 7/16″ UNF and 1x 5/8 UNF, transport case, testo Smart App (free app), testo 560i digital refrigeration scale with Bluetooth, refrigeration valve with Bluetooth, transport bag, 4 x batteries (AA), 1 x 9 V (6LR61) battery