... 200g, and it should be the lightest ultrasound scanner Veterinary Wrist Ultrasound Scanner is consisted by host, probe, external battery ... is only 200g, It should be the lightest ultrasound scanner in the world.Product Features:-Small portable, easy ... wrist portable ultrasound is suitable for veterinary diagnostic situation, care more about pets, convenient for doctors. Vet Wrist Ultrasound Scanner