[2022 NEW UPGRADED BLUETOOTH RANGE TO 100 ft.] PATENTED Digi-Pas 2-AXIS SMART CUBE Level replaces 2 pieces of Old-fashioned Spirit Vial Level in one go. Just WIRELESSLY looking on your smartphone screen while adjusting the object being leveled. It allows ONE-MAN OPERATION to align a fences, cupboard, signboard, pipe, drainage, RV Camper levelling, etc. WITHOUT needing to going ‘back-and-forth’ checking 'bubble' position on each adjustment. PAIR to Smartphones/Tablets (One FREE App Incl. for Apple/Android), instantly displays both X&Y axis level status (Digital & Graphic) on your phone screen while you were SIMULTANEOUSLY adjusting object footings over Bluetooth range. MULTIPLE users SHARING one or more smart level(s), additional paid app is separately downloaded from App stores. SMART CUBE single-axis can be used by its own WITHOUT using app. SMART TECHNOLOGIES: Greatly CUTDOWN your alignment TIME (by over 70%) and combine with ONE-MAN operability allow GREAT COST SAVING and improve QUALITY of your alignment tasks in a SMART way. EASY RE-CALIBRATION by user back to factory setting with no special fixture required (patented). STRONG MAGNETIC BASE: securely attach to fences, saw blade & base, and other metallic surfaces. RESOLUTION: 0. 05° at 0° ~ 1° & 0. 1° at other angles. Measurement range: 360° (4 x 90°) for X-axis (SINGLE axis); 0 ~ 5° for X&Y (DUAL Axis). ACCURACY: 0. 1° at 0° ~ 1° & 0. 2° at 1° ~ 89°. Operating temp. range: 10° to 120°F. [since March 2022] Bluetooth range has been increased to approx. 100ft. ACCURACY of Digi-Pas digital level has been certified by accredited Calibration & Test Laboratories traceable to NIST, JIS & DIN. This item includes a manufacturer's Calibration Certificate. Users who needs a NIST-traceable Calibration Certificate with data, please contact us, Weight: 0.1984160358 pounds, Manufacturer: Digipas Technologies Inc