Measure scope:0-300mmHg
Accuracy:+/-3mmHg
Sub-division:2mmHg
Nylon cuff with metal ring
PVC bladder and bulb
Zinc alloy gauge , 110gram
Y-tube:PVC
Chestpiece:Aluminum
Earpiece:Brass
Ear tips:plastic
Color :blue,black,grey,green,red,yellow
Leather zipper bag