YUPITERU Swing Training Machine Ambidextrous Yupiteru GOLF BLE Unisex Usable Approximately 10 Hours When Fully Charged Body 124mm X 60mm X 18mm Black

---------------------------------------------------------------------- Body size: 124mm (D) x 60mm (W) x 18mm (H) Body weight: 110g Usable time: Approximately 10 hours when fully charged Charging time: about 3 hours Head speed measurement range: 10.0~99.9m/s Ball speed measurement range: 15.0~99.9m/s (when using putter: 0.5~15.0m/s) Meat rate measurement range: 0.10~1.80 Number of records kept: 199 Power supply: DC3.7V (lithium ion battery)