Veterinary B-Type Ultrasonic (Bovine, Equine, Canine, Feline, Ovine) vet ultrasound scannerMain ... Battery: Rechargeable, Working for 2hrs, back-up for 4hrsDisplay Mode: B,B+B,B+M,MImage magnification: ×1.0,×1.2,×1.5,×2 ... battery 1pcOptions:Car charger Extra rechargeable battery JH-3900B Animal B-Type Ultrasonic (Bovine, Equine, Canine, Feline, Ovine)