unit selectable.
7)Power supply:4x1.5 AAA size (UM-4) battery 1
8)Battery indicator: low battery indicator
9)Operating conditions:0-+45℃(32℉-104℉),90%RH
10)Dimensions: Main Unit 140mm60mm22mm
11)Gloss Weight :1KG
12)Standard Delivery: Main Unit,8mm Probe, Coupling Oil, User Manual ,Carrying Case