SSK Multi Speed Tester III MST300 Easy-to-see color LCD screen. Measures swing speed, head speed, and distance for baseball, golf, etc. Please search online for detailed specifications. Everything in the photos is included. Power-on has been confirmed, but please make your judgment based on the photos. Please consider this item with the understanding that it is a used product. ---Quote--- ● [Microwave Sensor] Oscillation Frequency: 24GHz (K band) ・ Transmission Output: 10mW or less ● [Measurable Range] Bat Speed / Ball Speed: 30km/h to 180km/h ● [Power Supply] Power Supply Voltage: 6V (AA batteries x 4) ・ Battery Life: Approximately 1 month with 1 hour of use per day ● [Operating Temperature Range] 0℃ to 40℃ (without condensation) <Regarding Radio Law> ● This device is a wireless device certified under the Radio Law as a mobile object detection sensor. ● Do not use it overseas. ● Disassembling or modifying it is prohibited by the Radio Law. If used after modification, you may be penalized under the Radio Law. Material Housing: Synthetic resin, Window: Glass Country of Origin: Japan Item Size Length: 122mm x Width: 62mm x Height: 29mm (excluding protrusions), Weight: 205g (including batteries)