Mercurial sphygmomanometer series: Measure scope: 0-300mmHg Accuracy: +3mmHg Sub-division: 2mmHg Model: 3.5mm+0.2mm Color available: 1.bule, 2.grey 3.red, 4.green, 5.yellow, 6.black, 7.brown Available with nylon cuff cotton cuff. CE,ISO certified