Toshiba PVT-674BT convex High Frequency ultrasound transducer 1.Type:convex 2.Frequency: 3.6-9.2 MHz 3.Compatible system: Aplio 50 SSA-700A, Aplio SSA-750A 4.Application:Abdominal 5.pre-owned, original and in good working condition 6.Provide 60 days warranty