Body size: 124mm(D) x 60mm(W) x 18mm(H) Body weight: 110g Usable time: Approximately 10 hours when fully charged Charging time: Approximately 3 hours Head speed measurement range: 10.0 ~ 99.9 m/s Ball speed measurement range: 15.0 ~ 99.9 m/s (when using a putter: 0.5 ~ 15.0 m/s) Smash factor measurement range: 0.10 ~ 1.80